Looking to spice up your keto dinners? My Keto Reuben Tacos with Sauerkraut Recipe is exactly what you need—a fun, low-carb mashup that transforms leftover corned beef into something irresistibly delicious and quick to make.

A woman's hand is holding a soft yellow corn tortilla folded in half on a white plate with a white marbled surface underneath. Inside the tortilla, there are three visible layers: the bottom layer is a creamy light tan sauce with smooth texture, the middle layer consists of chunky pieces of reddish-brown meat, and the top layer includes shredded white cabbage mixed with bits of green herbs. The background is softly blurred, highlighting the tortilla and filling, photo taken with an iphone --ar 2:3 --v 7

Jump to:

Why You'll Love This Recipe
Ingredients & Why They Work
Make It Your Way
Step-by-Step: How I Make Keto Reuben Tacos with Sauerkraut Recipe
Top Tip
How to Serve Keto Reuben Tacos with Sauerkraut Recipe
Make Ahead and Storage
Frequently Asked Questions:
Final Thoughts
Keto Reuben Tacos with Sauerkraut Recipe

Why You'll Love This Recipe

I was pleasantly surprised the first time I tossed classic Reuben ingredients into keto tortillas—it’s comfort food with a fresh twist. The tangy sauerkraut and creamy dressing pair beautifully with the savory corned beef, making every bite a party of flavors.

Low-carb delight: These tacos keep carbs minimal without sacrificing taste.
Quick and easy: Ready in just 20 minutes, perfect for busy weeknights.
Leftover magic: A fantastic way to turn your leftover corned beef into something new.
Flavor fusion: Enjoy the best of Irish and Mexican cuisines all wrapped up.

Ingredients & Why They Work

When it comes to this recipe, using fresh, quality ingredients makes all the difference. From keto-friendly tortillas to a zesty homemade dressing, each component plays a key role in building that classic Reuben flavor without the carbs.

Flat lay of fresh keto tortillas stacked neatly, a small white ceramic bowl of creamy keto mayonnaise, a small white bowl with vibrant red sriracha sauce, another small white bowl holding smooth prepared horseradish, a tiny white bowl filled with fine organic onion powder, a small white bowl with dark low sodium Tamari, a small white ceramic bowl with golden avocado oil, a pile of tender leftover corned beef slices, a small mound of chopped translucent onion, a small white bowl filled with drained sauerkraut, and a few bright green cilantro leaves scattered artfully, all arranged with perfect symmetry on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354615311229779997

Keto mayonnaise: Creamy base for the dressing that keeps it low-carb and rich.
Sriracha sauce: Adds a subtle kick and lively heat to the dressing.
Prepared horseradish: Brings that classic Reuben zing and complexity.
Organic onion powder: Enhances savory depth without overpowering.
Low sodium Tamari: Adds umami with less sodium than traditional soy sauce.
Keto tortillas: The perfect low-carb vessel to hold all those tasty fillings.
Avocado or olive oil: For sautéing onions and lending a mild, healthy fat flavor.
Leftover corned beef: The star protein, tender and flavorful, ideal for this creative taco twist.
Small onion (chopped): Provides sweetness and texture when cooked until translucent.
Sauerkraut: Tangy, fermented goodness that brightens and balances the rich beef.
Fresh cilantro leaves (optional): Adds a fresh, herbal note that lifts the overall flavor.

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Note: You'll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Make It Your Way

One of the best things about this Keto Reuben Tacos with Sauerkraut Recipe is how easy it is to customize. Feel free to tweak the ingredients and spice levels to suit your taste buds or what you have on hand.

Variation: I love swapping out the sauerkraut for kimchi when I’m craving a little extra zing and heat. It adds a bright, fermented kick that pairs perfectly with the rich corned beef.
Dietary custom: If keto tortillas aren’t available, large crisp lettuce leaves like romaine or butter lettuce make a fantastic low-carb shell with a refreshing crunch.
Spice it up: Want more heat? Just add an extra drizzle of sriracha in the dressing or toss in diced jalapeños when cooking the onions.
Herb twist: Cilantro brings a fresh herbal note, but swapping it with chopped fresh dill or parsley can give the tacos a unique flair worth exploring.

Step-by-Step: How I Make Keto Reuben Tacos with Sauerkraut Recipe

A white pan with a wooden handle holds a layer of chopped white onions mixed with a small pool of light yellow oil near the top edge, resting on a white marbled surface. Above the pan, a clear white bowl contains a pile of pink, diced ham pieces. To the right of the bowl, a white bowl with a spoon is filled with a creamy, light beige sauce. Fresh green cilantro leaves lie to the left of the pan on the white marbled surface, along with a blue and white striped cloth below. A wooden spoon is placed on the right side near the edge of the image. photo taken with an iphone --ar 2:3 --v 7

Step 1: Whip Up That Tangy Dressing

Start by combining ½ cup of keto mayonnaise with 1 tablespoon of sriracha sauce, ½ teaspoon of prepared horseradish, ½ teaspoon of organic onion powder, and ½ teaspoon of low sodium Tamari in a small bowl. Stir these together until you have a smooth, creamy sauce. This dressing is the heart of the taco, blending creamy, spicy, and umami flavors — perfect to drizzle over your filling later. Set it aside while you move to the next step.

Step 2: Sauté the Onions to Sweet, Tender Perfection

Heat 1 tablespoon of avocado or olive oil in a large skillet over medium heat. Add the chopped small onion and cook, stirring occasionally, for about 3-5 minutes until the onions turn translucent and soften. You’ll want to look for that slight golden edge and smell a sweet aroma—this is when the flavor really starts to shine. Don’t rush it; gentle cooking lets the natural sweetness develop beautifully.

Step 3: Warm and Brown Your Leftover Corned Beef

Add 1 pound of chopped leftover corned beef to the skillet with the softened onions. Stir occasionally and cook for about 5 minutes until the meat is heated through and starts to brown slightly around the edges. This browning adds a rich, savory depth to the taco filling—listen for that gentle sizzle and look for a little crispiness forming. Once ready, remove the skillet from the heat.

Step 4: Build Your Tacos and Add the Finishing Touches

Warm your 8 keto tortillas briefly if you like them soft and pliable. Then, fill each tortilla with a generous portion of your corned beef and onion mixture. Top with about 1 cup of drained sauerkraut and drizzle the prepared tangy dressing all over. If you’re feeling fresh, sprinkle some chopped cilantro leaves on top for a burst of herbal brightness. Fold, serve, and enjoy this delightful fusion of Irish comfort and Mexican flair.

Top Tip

These tips will help you nail the perfect balance of flavors and textures in your Keto Reuben Tacos with Sauerkraut Recipe, making every bite a delightful experience.

Warm the Tortillas Properly: I always warm keto tortillas just enough—either in a dry skillet or microwave for 20 seconds—so they’re pliable but not crispy. It prevents them from cracking when you fold your tacos.
Drain the Sauerkraut Well: From my trials, squeezing out as much excess liquid as possible keeps the tacos from getting soggy while still delivering that tangy punch.
Cook Corned Beef Over Medium Heat: Cooking the chopped corned beef gently allows it to brown without drying out. That slight caramelization adds a delicious depth!
Avoid Overloading: It’s tempting to pile on ingredients, but I found that sticking to moderate fillings keeps the tacos neat and easy to eat.

How to Serve Keto Reuben Tacos with Sauerkraut Recipe

A white plate sits on a white marbled surface holding a single flat, light yellow taco shell as the base layer. On top, there are small diced pieces of pinkish-red meat scattered evenly, with shredded pale white cabbage layered above the meat. A creamy pale orange sauce is drizzled over the cabbage and meat in a few spots, and small green herb leaves are sprinkled over everything. In the background, part of another taco with similar layers is visible on the same white marbled surface. Photo taken with an iphone --ar 2:3 --v 7

Garnishes

Adding a sprinkle of fresh chopped cilantro brightens these tacos beautifully. If you like an extra kick, a few thinly sliced radishes or a wedge of lime on the side work wonderfully. For creamy contrast, consider dolloping a bit more of the spicy keto dressing or even a smear of avocado.

Side Dishes

Pair these tacos with a simple green salad tossed in olive oil and lemon to keep things fresh. Roasted Brussels sprouts or sautéed garlic mushrooms complement the hearty corned beef nicely. For something crunchy, try keto-friendly dill pickle slices or pork rinds seasoned with a little smoked paprika.

Make Ahead and Storage

Storing Leftovers

Store any leftover corned beef mixture in an airtight container in the refrigerator for up to 3 days. Keep the keto tortillas and dressing separate to maintain freshness and prevent sogginess.

Freezing

The corned beef and onion mixture freezes well—pop it into a freezer-safe container for up to 2 months. Sauerkraut and keto tortillas don’t freeze as well, so it’s best to prepare those fresh when you’re ready to serve.

Reheating

Reheat the corned beef mixture gently in a skillet over medium heat until warmed through. Warm the keto tortillas separately either in a skillet or microwave to keep them soft. Then assemble your tacos fresh for the best taste and texture.

Frequently Asked Questions:

Can I use fresh corned beef instead of leftovers?

Absolutely! Just cook the corned beef before chopping it for the tacos. Leftover corned beef just saves time and adds convenience.

Are keto tortillas necessary for this recipe?

Keto tortillas keep this dish low carb, but if you can’t find them, large lettuce leaves make a great fresh, low-carb wrap alternative.

Can I substitute the sauerkraut with something else?

Yes! Kimchi is a fantastic substitute that adds a different spicy, fermented twist while staying keto-friendly.

How spicy is the dressing, and can I adjust it?

The dressing has a mild kick, thanks mainly to the sriracha. You can increase or decrease the sriracha to suit your heat preference.

Final Thoughts

There’s something wonderfully satisfying about blending the bold flavors of a traditional Reuben sandwich with the fun of tacos — and doing it all low carb makes it even better. I hope this Keto Reuben Tacos with Sauerkraut Recipe brings a tasty twist to your dinner table and inspires you to create more delicious, healthy fusion meals. Don’t forget to savor each bite and enjoy the wonderful harmony of flavors!