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    Home » Chaffles » Keto Reuben Sandwich

    Keto Reuben Sandwich

    Published: Oct 13, 2019 by Wendy Polisi Modified: Apr 20, 2021 · 907 words. · About 5 minutes to read this article.

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    Jump to Recipe Print Recipe
    Side photo of a stacked reuben sandwich on a white background with the text "Crazy Good Low Carb Keto Reuben Below"

    Allow me to introduce you to one of my all-time favorite creations. I am passionate about Reubens, and this easy to make Keto Reuben Sandwich is my idea of perfection. When you combine a crispy buttery chaffle, melted cheese, corned beef, sauerkraut, and a delicious sauce, you have got mealtime bliss.

    Side photo of a stacked keto reuben sandwich on a white cutting board.

    This Keto Reuben Sandwich is Cheesy, Buttery Goodness!

    I am not quite sure when my love affair with Reuben Sandwiches began.

    For years, I steered clear of them because my mom ingrained in me that sauerkraut was "gross." (Turns out I love it.)

    The first time I ordered one out, I was at a cute lunch spot with a limited menu. I ordered it without sauerkraut - to be safe!

    Over time, I got more adventurous with food, and the first time I ordered a Reuben as it comes, I was madly in love. I couldn't believe that I'd spent 20+ years avoiding sauerkraut.

    We used to go to a little restaurant in Asheville called Chestnut that had the BEST Reuben ever.

    Photo of a keto quickstart guide with the description of the guide on the right.

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    It was full of cheesy, buttery goodness.

    I ordered it every time we went.

    Since going low carb, sandwiches are among the things that I miss the most. That is, I missed them until I started making chaffles.

    If you haven't jumped on the chaffle bandwagon, what are you waiting for? They have been a game-changer for me in my ability to stick to a keto diet.

    I am in love with this Keto Reuben Sandwich so much! I would have it on the menu every week if I could.

    A couple of things to note about this recipe.

    This is a big sandwich. I have never been able to eat a whole one. I save it and reheat the uneaten half in my air fryer for another meal.

    Also, if you don't have a waffle iron and don't want to get one, any bread will do here. Just make sure it is sturdy enough to hold up to all the fillings. Happy eating!

    Tips & Tricks

    • I recommend using a skewer or toothpicks to secure the sandwich when you are cooking them.
    • Alternatively, you can butter the outside of the chaffles and cook the sandwiches in the air fryer for about 5 minutes at 400 degrees.

    How to Make a Keto Reuben Sandwich

    Photo of egg, shredded cheese, almond flour, and caraway seeds in a white bowl with a spoon.

    1 First, make your chaffle by combining 1 egg, ½ cup mozzarella, 1 tablespoon almond flour, and 1 teaspoon ground caraway seeds in a bowl. (Skip this step if you are using keto-friendly bread.)

    Photo of a dash mini waffle maker with chaffle batter in it on a white background.

    2 Stir to combine. Divide the mixture in two and spread half on a dash mini waffle maker. Cook for 5 to 7 minutes. Repeat with the other half.

    Photo of mayonnaise, ketchup and chopped dill pickle in a white bowl.

    3 Meanwhile, while the chaffles cook, combine mayonnaise, diced pickles, and sugar-free ketchup in a small bowl. Stir to combine.

    Photo of two chaffles on a white plate.  One has a keto friendly thousand island spread on it and the other has corned beef.

    4 Spread the sauce on one chaffle and place half of the meat on another.

    Photo of two chaffles on a white plate.  One has a keto friendly thousand island spread on it and the other has corned beef and cheese slices.

    5 Top the corned beef with cheese.

    Photo of two chaffles on a white plate.  One has a keto friendly thousand island spread on it and the other has corned beef, cheese slices and sauerkraut.

    6 Finally, add the sauerkraut.

    Photo of a prepared keto reuben sandwich recipe on a white plate with two dill pickles.

    7 Melt butter over medium heat in a large skillet. Cook the sandwiches for 4 minutes. Flip and cook for another 4 minutes, or until the cheese melts.

    Frequently Asked Questions

    Sauerkraut isn’t my thing. What can I use?

    I would suggest using a good keto-friendly coleslaw. Only then, technically your sandwich will not be a Reuben. It's now a Rachel!

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    What kind of ketchup can I use on keto?

    I often make my own keto ketchup. When I don't have time for that, this is the brand I use.

    What is the best waffle iron for making chaffle sandwiches?

    You can use any waffle iron, but I can't recommend the dash mini enough! This super-affordable waffle iron is perfect for sandwiches because it makes thin round waffles that are just the right size.

    Close up photo of two halves of a Keto Reuben Sandwich recipe made with chaffles stacked on top of each other.

    More Chaffle Recipes to Try

    • Start the day off right with these Blueberry Chaffles. Even the kids will gobble these up!
    • Breakfast doesn't get much better than this Keto Avocado Toast! So good!
    • Peanut Butter Chaffles are the best keto-friendly way I know to get your chaffle fix!
    • Don't miss my ultimate guide to chaffles! How to Make Chaffles.

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      Keto Reuben Sandwich Recipe

      Think you have to give up your favorite delicious sandwiches when you go keto? Think again! People go crazy over these Keto Reubens. While adding caraway seeds to your chaffle is completely optional, I highly recommend giving it a try. This one deserves to become a habit.

      Close up square image of a Keto Reuben cut in half and stacked up on top of each other.
      Print Recipe
      5 from 6 votes

      Keto Reuben

      These hearty Keto Reuben Sandwiches are a fabulous weeknight meal or weekend lunch. This is one you will find yourself dreaming about!
      Prep Time10 mins
      Cook Time5 mins
      Total Time15 mins
      Course: Main
      Cuisine: American
      Keyword: sandwich
      Servings: 2
      Calories: 618kcal
      Author: Wendy Polisi
      As an Amazon Associate I earn from qualified sales.

      Equipment

      • Waffle Iron (Dash Mini is recommended)
      • Skillet

      Ingredients

      Sauce

      • 3 tablespoons mayonnaise
      • 1 tablespoons keto ketchup or other keto-friendly ketchup
      • 2 tablespoons minced dill pickles

      Sandwich

      • 4 chaffles made according to this recipe, add 1 teaspoon crushed caraway seeds
      • ¼ pound corned beef sliced thin
      • 1 cup sauerkraut
      • 2 ounces Swiss cheese
      • 2 tablespoons butter

      Instructions

      • In a small bowl, combine mayonnaise, ketchup, and dill pickles.
      • Spread the mixture over the chaffles.
      • Divide the corned beef between two of the chaffles.
      • Top with half of the cheese and the sauerkraut.
      • Place the remaining chaffles on top of the sauerkraut, sauce side down.
      • Melt butter in a large skillet to medium heat.
      • Cook the sandwiches for 4 minutes, and flip. Cook for another 4 minutes, or until the cheese melts.

      Nutrition

      Calories: 618kcal | Carbohydrates: 7g | Protein: 27g | Fat: 54g | Saturated Fat: 17g | Cholesterol: 96mg | Sodium: 1676mg | Potassium: 311mg | Fiber: 3g | Sugar: 3g | Vitamin A: 612IU | Vitamin C: 26mg | Calcium: 252mg | Iron: 2mg

      More Keto Sandwich Recipes to Try

      • This Bacon, Avocado, and Chicken Sandwich recipe is made with cloud bread and packed with the flavors you love.
      • Even the kids will love this Keto Grilled Cheese Sandwich.
      « Fathead Pizza Dough
      Keto Buffalo Chicken Pizza »
      • 3055

      Reader Interactions

      Comments

      1. Elle

        January 08, 2020 at 2:12 pm

        The link to the bacon avocado and chicken sandwich above is broken.

        Reply
        • Wendy Polisi

          January 08, 2020 at 4:37 pm

          Thanks for letting me know! It is fixed now.

          Reply
      2. Rhonda

        January 10, 2020 at 11:07 am

        5 stars
        This is so delicious. Thank you for sharing

        Reply
        • Wendy Polisi

          January 10, 2020 at 11:31 am

          Thanks so much!

          Reply
      3. Linda

        August 20, 2020 at 7:36 pm

        This sandwich looks amazing> Rubens are one of my very favorite sandwiches and I thought it was over and gone until I saw this! Cant wait to try it and thank you for posting it!

        Reply
        • Wendy Polisi

          August 20, 2020 at 7:44 pm

          Thanks so much! I hope that you enjoy it as much as we do. This is one I make again and again.

          Reply
      4. Stacy

        October 02, 2020 at 11:19 pm

        I never comment on the recipes I try on here but I absolutely loved this Rueben. I have been doing low carb for 6 months now and had been craving one and this hit the spot! Thank you so much for sharing this recipe. I will be making again

        Reply
      5. P"

        October 03, 2020 at 11:36 pm

        5 stars
        This is the best keto reuben sandwich I have found. My whole family lo es this. I make this at least once a month. Love love love the chaffle with caraway seeds, tastes exactly like rye bread....so yummy! Thank you for sharing this recipe.

        Reply
        • Wendy Polisi

          October 05, 2020 at 12:43 pm

          I am so glad you enjoyed it! It is a favorite of mine too.

          Reply
      6. Nancy

        June 14, 2021 at 7:17 pm

        5 stars
        I definitely have to try this!!! Every recipe of yours that I have tried has been a hit...I apologize for not leaving comments on a regular basis (and for that reason I am leaving this a 5-star review even though I have not tried this!!) I am thinking of possibly adding some caraway seeds to the chaffles for more of a rye bread effect...what do you think? 🙂

        Reply
        • Wendy Polisi

          June 17, 2021 at 7:39 pm

          I am so glad you are enjoying everything!

          I do add crushed caraway seeds to the chaffles. So good!

          Reply
      7. Katy Herrig

        September 12, 2021 at 9:40 pm

        5 stars
        Just to be sure, you nutrition numbers in the recipe are based on eating both of the chaffles that this makes, correct?

        Reply
      8. Marcia Montgomery

        December 06, 2021 at 12:35 am

        5 stars
        Omg ..my first chaffle and so happy I chose this recipe! Just delicious! So satisfying. Felt like the first "sandwich" I've had in a month. Feeling so much better about having to go Keto due to a medical condition. Thanks!

        Reply
      9. Blue Ridge Lady

        March 20, 2022 at 11:16 pm

        5 stars
        Incredible yum factor! CarbManager has it calculating as 6.6 carbs with my ingredients, which did not include sauerkraut. Worth every carb and every bite!! Amazing!

        Reply

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      Welcome

      I'm Wendy and I'm here to show you just how delicious a low carb, gluten free and keto diet can be! You are just as likely to find me obsessing over all things cheesy as you are getting excited by a full produce drawer. I'm a mom to three, obsessive planner and roller coasters are my happy place. Let's dig deeper →

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