Loaded Kielbasa & Sauerkraut Subs

The Ultimate Game Day Delight: Savory Kielbasa and Sauerkraut Hoagies

When it comes to unforgettable game day cuisine, few dishes can rival the hearty satisfaction of these incredible Kielbasa and Sauerkraut Hoagies. Imagine succulent, smoked kielbasa slices perfectly browned, mingling with tangy sauerkraut, all brought together with a subtle hint of sweetness from brown sugar. This mouth-watering combination cooks up effortlessly in a single cast-iron skillet, making it ideal for any occasion. Whether you’re grilling at a vibrant tailgate party, enjoying a cozy evening by the fire pit, or hosting a lively watch party in your kitchen, this recipe is designed to be substantial, easy to prepare, and perfect for sharing with friends and family. A huge thank you to our friends at Frank’s Kraut for elevating these sandwiches to new heights of flavor with their exceptional sauerkraut.

Close-up of Kielbasa and Sauerkraut Hoagies on a cast-iron skillet

The return of college football signifies more than just sports; it marks the beginning of spirited traditions and delicious food. For years, we’ve cherished our season tickets to the beloved Nebraska Cornhuskers, and we take immense pride in throwing an unforgettable tailgate celebration. Each fall, I’m fortunate to collaborate with Frank’s Kraut to create a fresh, exciting recipe that helps our tailgate — and yours — truly stand out. This year, we’re kicking off the autumn sports season with a fantastic sandwich that’s not only simple to prepare but also incredibly easy to enjoy, no matter your location.

This recipe post is sponsored by Frank’s Kraut. However, my deep-rooted affection for their products and all opinions expressed here are entirely my own.

Several Kielbasa and Sauerkraut Hoagies arranged on a serving board

Why These Kielbasa and Sauerkraut Hoagies Are a Game Day Must-Have

There’s an undeniable magic to game day food. Perhaps it’s the electrifying energy of the crowd, the crisp fall air surrounding a bustling tailgate, or the intoxicating aroma of savory ingredients sizzling in a cast-iron skillet over an open flame. These Kielbasa and Sauerkraut Hoagies effortlessly check every box for the ultimate game day experience. They are incredibly hearty, bursting with flavor, and remarkably easy to assemble. Whether you’re firing up the grill outdoors or enjoying a casual watch party at home, these hoagies deliver every time. Imagine perfectly smoky sausage, intertwined with vibrant, tangy kraut, all balanced by a touch of sweetness, lovingly nestled into a perfectly toasted hoagie bun. It’s a culinary triumph, no matter which team you’re passionately cheering for.

Close-up of a single Kielbasa and Sauerkraut Hoagie with parsley garnish

Beyond the Tailgate: Versatile Sauerkraut & Kielbasa Hoagie Sandwiches

While these hoagies are undeniably a superstar at any tailgate event, their versatility extends far beyond stadium parking lots. They are equally perfect for a busy weeknight dinner when you need a satisfying meal in a hurry, or for a relaxed weekend get-together with loved ones. The beauty of this recipe lies in its simplicity: the entire sausage and kraut mixture comes together in a single skillet. This means fewer dishes to wash and more precious time for you to unwind and enjoy. Serve these delightful hoagies with effortless sides like crispy potato chips, a refreshing coleslaw, or even comforting baked beans, and you’ve created a complete meal that’s both incredibly filling and refreshingly fuss-free. If you find yourself falling in love with these Kielbasa & Sauerkraut Hoagies, you’ll definitely want to explore other savory sandwich creations like these Twisted Meatball Subs, our unique Pastrami Burger with Kraut, and the ever-popular BBQ Smoked Sausage Sandwiches with Kraut.

Jar of Frank's Kraut

The Surprising Health Benefits of Sauerkraut

Did you know that sauerkraut isn’t just a delicious accompaniment to savory meats, but it’s also incredibly good for you? This humble fermented cabbage is a nutritional powerhouse. Because it’s naturally fermented, sauerkraut is teeming with beneficial probiotics, which are live bacteria and yeasts that are excellent for supporting a healthy gut microbiome and optimizing digestion. A balanced gut can positively impact everything from immunity to mood. Beyond its probiotic content, sauerkraut is also an excellent source of essential vitamins, including a significant amount of Vitamin C, known for its immune-boosting properties, and Vitamin K, crucial for blood clotting and bone health. It also provides important minerals such as iron and potassium. By pairing this nutrient-rich ingredient with hearty proteins like kielbasa, you’re not only creating a meal that is deeply satisfying and flavorful but also cleverly incorporating extra nutrients and beneficial bacteria to help keep your entire system running strong and healthy. To delve deeper into the fascinating world of fermented foods and their advantages, you can read more about sauerkraut in this informative post.

Cooked kielbasa and sauerkraut mixture in a cast-iron skillet

Essential Ingredients For Your Perfect Kielbasa Hoagies

Crafting these delectable kielbasa hoagies requires just a handful of simple, high-quality ingredients that come together to create a symphony of flavors. For the complete list of ingredients with precise measurements and detailed instructions, please refer to the full printable recipe card located at the bottom of this post.

  • Kielbasa Sausage: The foundation of this hearty sandwich. Opt for smoked kielbasa, which offers a rich, savory depth and just enough natural fat to crisp up beautifully, whether in a skillet or on a flat-top grill like a Blackstone. If kielbasa isn’t readily available, you can easily substitute it with bratwurst or another type of smoked sausage you enjoy.
  • Frank’s Kraut: The undeniable star of the show. Frank’s Kraut delivers that essential tangy crunch and a remarkable depth of flavor that truly elevates the dish. Be sure to drain it thoroughly before adding it to the skillet to prevent your hoagie buns from becoming soggy.
  • Red Onion: A finely sliced medium red onion adds a welcome touch of sweetness and a slight bite, perfectly balancing the kraut’s tanginess. A yellow onion can be used as a suitable alternative if that’s what you have in your pantry.
  • Brown Sugar: Just a quarter cup of brown sugar is all it takes to mellow the sharpness of the sauerkraut and impart a lovely, subtle caramelized edge to the entire mixture. For a different sweet note, honey can also be used effectively.
  • Butter: Essential for richness and to help achieve that beautiful golden-brown sear on the kielbasa. While olive oil can work in a pinch, butter undeniably brings a superior depth of flavor that’s hard to beat.
  • Spicy Brown Mustard: A tablespoon of spicy brown mustard provides a sharp, zippy kick that masterfully ties all the flavors together. Feel free to swap in Dijon mustard for a gourmet touch or even classic yellow mustard if you prefer a milder profile.
  • Hoagie Buns: Crucial for a satisfying sandwich, these should be lightly toasted. Toasting ensures they hold up perfectly to the juicy, flavorful filling and adds a pleasant texture. Brioche buns offer a richer alternative, while crusty rolls can provide an extra layer of chewiness.
  • Fresh Parsley: An optional but highly recommended garnish. A sprinkle of fresh chopped parsley not only adds a vibrant pop of color but also a fresh, bright counterpoint to the rich flavors of the sausage and kraut.

Step-by-Step Guide: How to Make Kielbasa & Sauerkraut Hoagies

Preparing these delicious kielbasa and sauerkraut hoagies is a straightforward process, primarily using a single skillet. Follow these steps for a perfectly cooked, flavor-packed meal:

Slicing kielbasa sausage into rounds

Step 1: Brown the Kielbasa. Begin by placing your cast-iron skillet over medium heat. Once hot, add the butter and allow it to melt and shimmer. Carefully lay the sliced kielbasa rounds in a single layer across the skillet. This crucial step ensures that each piece gets maximum contact with the hot surface, developing a beautiful golden-brown sear and crisp texture. Cook for approximately 2 to 3 minutes on each side. Once perfectly browned, use tongs or a slotted spoon to transfer the kielbasa to a separate bowl or plate, setting it aside for a moment. Resist the urge to clean the pan; those savory drippings left behind are liquid gold, packed with flavor that will infuse into the sauerkraut mixture.

Cooking sauerkraut, onions, and brown sugar in a skillet

Step 2: Sauté the Sauerkraut Mixture. Into that same skillet, with all its flavorful remnants, add the drained sauerkraut, sliced red onions, brown sugar, and spicy brown mustard. Stir everything together thoroughly, ensuring all ingredients are well combined and coated in the pan drippings. Continue to cook, stirring frequently, until the onions have softened and become translucent, and the sauerkraut is completely warmed through, which typically takes about 5 to 8 minutes. This is where the true magic of the dish unfolds: the brown sugar gently caramelizes, the mustard adds a piquant sharpness, and the sauerkraut absorbs all the rich, buttery goodness and savory notes from the kielbasa drippings. Taste the mixture and season with freshly ground black pepper if desired.

Step 3: Combine and Heat. Now, return the previously browned kielbasa slices back into the skillet with the savory kraut mixture. Gently toss everything together, ensuring the sausage is thoroughly coated in the tangy-sweet sauerkraut. Allow the mixture to mingle and heat through for just a couple of minutes, allowing the flavors to fully meld together.

Scooping kielbasa and sauerkraut into a hoagie bun

Step 4: Assemble and Serve. While the mixture is heating, toast your hoagie buns to your liking. This can be done quickly on the grill, a flat-top griddle (like a Blackstone), in a warm oven, or even briefly in the same skillet if you prefer to minimize dishes. Once toasted, generously spoon the hot sausage and kraut mixture directly into the prepared hoagie buns. For a final flourish, sprinkle with a bit of fresh parsley (if using) for a pop of color and freshness. Your delicious Kielbasa and Sauerkraut Hoagies are now ready to be enjoyed! Dig in and savor every hearty bite.

Storing and Reheating Leftover Kielbasa and Sauerkraut Hoagies

Should you be lucky enough to have any of this incredibly flavorful hoagie filling left over, you’ll be pleased to know it stores exceptionally well for future enjoyment. This makes it an excellent candidate for meal prep or simply having a quick, satisfying meal ready at a moment’s notice.

To store the cooked kielbasa and sauerkraut mixture, simply transfer it to an airtight container. It can be safely refrigerated for up to 4 days, retaining its delicious taste and texture. When you’re ready to reheat, do so gently in a skillet over medium-low heat, stirring occasionally to ensure it warms evenly without drying out. Alternatively, you can use a microwave, heating in short intervals and stirring between each to prevent hot spots.

For an even more convenient make-ahead option, this kielbasa and sauerkraut mixture freezes beautifully. It’s perfect for those busy weeknights or when you need a quick, hearty lunch. Allow the filling to cool completely to room temperature before transferring it to a freezer-safe container or a heavy-duty freezer bag. Properly stored, it will maintain its quality in the freezer for up to 3 months.

To reheat from frozen, first thaw the mixture overnight in the refrigerator. Once thawed, warm it gently in a skillet over medium heat, stirring occasionally until it is thoroughly heated through. For the absolute best texture, always toast your hoagie buns fresh just before serving. This strategic approach allows you to prepare a substantial batch in advance, ensuring you have a quick, flavorful, and satisfying meal ready to go whenever those cravings strike. It’s truly convenience meets comfort food!

Three Kielbasa and Sauerkraut Hoagies on a wooden board

Love This Recipe? Pin It for Later!

If these Sauerkraut & Kielbasa Hoagies have captured your culinary heart, don’t let this fantastic recipe get lost! Make sure to save it by pinning it to your favorite Pinterest recipe board. This way, you can easily find it whenever the craving for a hearty, flavorful sandwich strikes, or when planning your next game day spread or simple weeknight meal.

Collage image for pinning Kielbasa and Sauerkraut Hoagies

Expert Tips & Tricks for Perfect Kielbasa Hoagies

Elevate your Kielbasa and Sauerkraut Hoagies from great to absolutely outstanding with these expert tips and clever tricks, ensuring every bite is as delicious as possible, whether you’re at home or on the go:

  • Make-Ahead Friendly for Events: One of the best features of this recipe is its make-ahead potential. Cook the entire sausage and kraut mixture at home the day before your event. Then, when it’s game time, simply reheat it in your cast-iron skillet directly at the tailgate or on a portable burner. This saves you from juggling multiple ingredients and cooking steps amidst the excitement, allowing you more time to socialize and enjoy the festivities.
  • Keep It Warm for Serving: If you’re serving a crowd buffet-style, maintaining the perfect temperature is key. After cooking, you can keep the skillet over very low heat on your grill, or for sustained warmth, transfer the entire mixture to a slow cooker set to its “warm” setting. This ensures everyone gets a hot, delicious hoagie.
  • Experiment with Buns: While classic hoagie buns are a fantastic choice, don’t hesitate to get creative with your bread! Hearty bratwurst buns offer a slightly different texture and shape that works wonderfully, and pretzel rolls introduce a unique, savory chewiness that complements the kielbasa and kraut beautifully.
  • Add a Cheesy Layer: For an extra layer of indulgence and gooey goodness, consider adding some cheese. A slice of provolone or Swiss cheese melted over the top of the warm filling just before serving will transform these hoagies into an even richer, more satisfying experience. Place the cheese on top of the mixture in the bun, then briefly warm it to melt.
  • Amp Up the Toppings: Customization is key! For those who love a bit of heat, a generous drizzle of hot mustard or a few slices of pickled jalapeños can introduce a fantastic spicy kick. Other delicious additions could include finely chopped pickles for extra crunch, or even a sprinkle of crispy fried onions for texture.
Polish Sausage & Sauerkraut in a white serving dish

Discover More Delicious Recipes Featuring Frank’s Kraut

A heartfelt thank you once again to our wonderful friends at Frank’s Kraut for making this recipe not just easy, but exceptionally flavorful. Their sauerkraut truly stands out – it’s perfectly tangy, wonderfully crisp, and consistently takes these hoagies, and any dish it graces, to an entirely new level. If you haven’t yet experienced the quality of Frank’s Kraut, I highly encourage you to pick up a jar for your next tailgate, weeknight dinner, or anytime you want to infuse a little extra punch and vibrance into your skillet meals!

My recipe for Smoked Polish Sausage & Sauerkraut (pictured above) is actually what first brought Frank’s Kraut and me together more than a decade ago, sparking a fantastic partnership built on a shared love for delicious food. Since then, we’ve collaboratively created countless mouth-watering recipes. I even have a popular recipe for Grilled Polish Sausage & Sauerkraut, which is absolutely perfect for tailgating season! Beyond those classics, these delectable Bratwurst Sliders, my irresistible Reuben Pizza, the comforting Smoked Hot Dogs and Kraut, and of course, this hearty Reuben Burger all make for outstanding tailgate grub that will delight any crowd. You can explore all of my dedicated tailgating recipes here and dive into my entire collection of sauerkraut recipes here for even more inspiration.

Jar of Frank's Kraut on a wooden table

Even More Sauerkraut Recipes to Savor

To stay updated with delicious and creative recipes throughout the year, be sure to follow Frank’s Kraut on their social media channels. You can find them on Facebook, Twitter, Pinterest, and Instagram for all things sauerkraut! For the easiest way to get your hands on their fantastic products, you can conveniently grab some kraut for yourself directly from their website.

While you’re exploring, don’t miss out on their exciting new flavors, including the delightful Sweet & Smoky BBQ Kraut and the uniquely zesty Mustard Kraut with Dill Pickle Relish. These innovative varieties open up a whole new world of culinary possibilities for your favorite dishes!

A cast-iron skillet full of cooked kielbasa and sauerkraut mixture

Final Thoughts: Simple, Hearty, and Made for Sharing

These Kielbasa and Sauerkraut Hoagies are more than just a recipe; they are a celebration of simple, hearty comfort food, perfectly built for sharing. This is the kind of dish that effortlessly brings people together, whether around a bustling tailgate spread or at a cozy kitchen table, without any fuss or complication. With their rich, smoky kielbasa, vibrant and tangy sauerkraut, and a touch of sweet caramelization, every bite is a delightful experience. So, whether you’re passionately cheering from the stadium parking lot or settled in for an exciting watch party at home, this easy one-skillet recipe is guaranteed to keep everyone well-fed, happy, and craving more. Grab some delicious Frank’s Kraut, fire up your cast-iron skillet, and let the good times – and incredible flavors – roll!

Signature of Michaela

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Kielbasa & Sauerkraut Hoagies

Closer view of four Sauerkraut and Kielbasa Hoagies on a tan tea towel.

Tailgate at home? Watch party with friends? Or just a quick, hearty dinner? These kielbasa and sauerkraut hoagies have you covered. Golden-browned sausage, tangy kraut, a touch of sweetness…all in a toasted hoagie bun. Bonus: it’s all made in one skillet!

Prep Time: 5 mins

Cook Time: 15 mins

Course: Sandwiches

Cuisine: American

Keyword: Frank’s kraut, Hoagies, Kielbasa, Sauerkraut, tailgating food

Servings: 6 servings

Calories: 508 kcal

Ingredients

  • 16 ounces smoked Kielbasa sausage, sliced into ½” thick rounds
  • 1 pound Frank’s Kraut, drained
  • ½ medium red onion, sliced
  • ¼ cup brown sugar
  • 2 Tablespoons butter
  • 1 Tablespoon spicy brown mustard
  • 6 hoagie buns, toasted
  • Fresh parsley for garnishing (optional)

Instructions

  1. Melt the butter in a large skillet over medium heat.
  2. Add the kielbasa in a single layer and cook until browned on the bottom, about 2 to 3 minutes. Flip and cook the other side until browned, another 2 to 3 minutes. Using tongs or a slotted spoon, transfer the kielbasa to a bowl or plate, leaving the rendered fat in the skillet.
  3. To the same skillet, add the sauerkraut, red onion, brown sugar, and mustard. Cook, stirring often, until the sauerkraut is warmed through and the onion has softened, about 5 to 8 minutes. Taste and season with freshly ground black pepper if desired.
  4. Return the kielbasa to the skillet and toss everything together until evenly combined.
  5. Serve in toasted hoagie buns and top with a sprinkle of fresh parsley before serving.

Notes

Storing and Reheating Leftover Kielbasa and Sauerkraut Hoagies

If you happen to have any hoagie filling left over, it keeps well for later. Transfer the kielbasa and sauerkraut mixture to an airtight container and refrigerate for up to 4 days. Reheat gently in a skillet over medium-low heat so it doesn’t dry out, or microwave it in short intervals, stirring in between.

This kielbasa and sauerkraut mixture freezes beautifully, making it a great make-ahead option for busy nights or lunches. Let the filling cool completely, then transfer it to a freezer-safe container or heavy-duty freezer bag. It will keep for up to 3 months.

To reheat, thaw overnight in the refrigerator, then warm gently in a skillet over medium heat, stirring occasionally. Toast the buns just before serving for the best texture. This way, you can prep a big batch in advance and have a quick, flavorful meal ready whenever the craving hits.

(Image of three Kielbasa and Sauerkraut Hoagies on a wooden board)

Nutrition

Serving: 1 serving | Calories: 508kcal | Carbohydrates: 47g | Protein: 17g | Fat: 28g | Saturated Fat: 10g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 11g | Trans Fat: 0.2g | Cholesterol: 63mg | Sodium: 1515mg | Potassium: 338mg | Fiber: 4g | Sugar: 15g | Vitamin A: 132IU | Vitamin C: 13mg | Calcium: 51mg | Iron: 13mg