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The Magical Slow Cooker » Recipes » Beef » Slow Cooker Reuben Sandwiches

Slow Cooker Reuben Sandwiches

by Sarah Olson on February 24, 2014 | Updated August 2, 2021 22 Comments

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Reuben Sandwich on cutting board with pickles on top

Make pastrami in the slow cooker then assemble Reuben sandwiches for the entire family!

Reuben Sandwich with homemade Russian dressing cut in half on cutting board

Yesterday I decided to make Slow Cooker Reuben Sandwiches, one of my husband’s favorites. Men and their cured meat right? I added a smokey coriander black pepper rub, which gives the corned beef a pastrami flavor. And after some research, I found out that these sandwiches are really called “Rachel’s” because of the cole-slaw instead of the sauerkraut, and the pastrami instead of the corned beef (pastrami is usually smoked corned beef with a coriander black pepper crust). Who knew right?

For these slow cooker Reuben sandwiches, you can make Slow Cooker Corned Beef and Cabbage, and use the leftover corned beef for the sandwiches. If you plan on making just sandwiches, my recipe for slow cooker Reuben sandwich meat is below, I rubbed the corned beef with a  smokey coriander black pepper rub, and wrapped in foil 4 times, and cooked on low in my slow cooker for 7 hours.

Corned beef on foil before cooking

I made a homemade slaw to go on the sandwiches, I used chopped cabbage, grated carrots, and grated onions. The cole-slaw dressing I made has horseradish, Dijon mustard, and poppy seeds in it. Talk about some good cole-slaw! I love how crisp and fresh homemade cole-slaw tastes! Or you can buy a cole-slaw kit at the store, to save time. If you like sauerkraut, replace the cole-slaw for sauerkraut.

horseradish coleslaw in bowl before mixing.

I also made a homemade Russian dressing, I could drink that stuff, seriously. Give the homemade Russian dressing a try, I put diced onion in it, that little touch puts it over the top.

Reuben Sandwich on marble rye bread with pickles on top on cutting board

And don’t forget the Marble Rye!

Try another of my corned beef recipes:

  • Slow Cooker Corned Beef and Cabbage Soup
  • Slow Cooker Maple Mustard Corned Beef
  • Slow Cooker Guinness Corned Beef

Want to make more magic in your crockpot? Stay up to date and subscribe to my newsletter and follow along on Facebook, Instagram, Pinterest and YouTube.

Reuben Sandwich cut in half on cutting board

Slow Cooker Reuben Sandwiches

5 from 8 votes
Make pastrami in the slow cooker then assemble Reuben sandwiches
Print Pin Rate
Course: Main Course
Cuisine: American
Prep Time: 15 minutes
Cook Time: 8 hours
Total Time: 8 hours 15 minutes
Servings: 8
Calories: 1040kcal
Author: Sarah Olson

Equipment Needed:

  • Slow Cooker – 5 quart or larger

Ingredients:

  • 4 lbs. Corned Beef Brisket
  • aluminum foil

For the rub

  • pickling spice packet included with corned beef
  • 2 Tbsp. brown sugar
  • 1/2 tsp. coarse black pepper
  • 1/2 tsp. ground coriander
  • 1/2 tsp. garlic powder
  • 1/2 tsp. paprika
  • 1/4 tsp. onion powder
  • 2 tsp. hickory liquid smoke

Coleslaw

  • 4 cups chopped cabbage
  • 1 cup shredded carrots
  • 1 cup shredded white onion

Coleslaw Dressing

  • 1 cup mayo
  • 1 tsp. dijon mustard
  • 1 tsp. creamed horseradish
  • 1 tsp. sugar
  • 2 tsp. apple cider vinegar
  • couple grinds of coarse black pepper
  • 1/2 tsp. poppy seeds

Russian Dressing

  • 1 cup mayo
  • 1/4 cup ketchup
  • 2 tsp. onion finely diced
  • splash of Worcestershire sauce
  • 1/4 tsp. paprika

Other Ingredients needed

  • 4 Tbsp. Butter for browning bread
  • 12 Marble Rye Slices
  • 8 slices Swiss Cheese
  • toothpicks to secure sandwiches
US Customary – Metric

Instructions:

  • Start by mixing rub ingredients together in a small bowl. Place corned beef on a large sheet of foil, spread the rub on all sides of the corned beef. Wrap in corned beef in the foil, then wrap again three times more.
  • Place the corned beef in the slow cooker, no water is added. Place lid on slow cooker.
  • Slow cook on LOW for 7- 8 hours without opening the lid.
  • Take the corned beef out, leaving in the foil let it rest, on a cutting board, while you prepare the coleslaw, and russian dressing, about 20 minutes.
  • Prepare coleslaw dressing by stirring all the coleslaw dressing ingredients together in a small bowl. I only toss a little dressing with the amount I of coleslaw I need at the moment, since there is just 2 of us, I like to keep it crisp.
  • Prepare the Russian Dressing by mixing the ingredients together is a small bowl.
  • Open the foiled corned beef, and dump out the juices, I didn’t save these juices, I found no need for them.
  • Slice the corned beef, and prepare your sandwiches.
  • Butter the marble rye and brown them in a skillet.
  • Spread the russian dressing on the bottom piece.
  • Pile up the corned beef next.
  • Swiss cheese next.
  • Coleslaw next.
  • Top piece of marble rye, secured with toothpicks if desired, and cut in half.
  • Enjoy!
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Nutrition Information:

Calories: 1040kcal | Carbohydrates: 14g | Protein: 43g | Fat: 89g | Saturated Fat: 26g | Cholesterol: 187mg | Sodium: 3328mg | Potassium: 870mg | Fiber: 2g | Sugar: 9g | Vitamin A: 3282IU | Vitamin C: 77mg | Calcium: 273mg | Iron: 4mg

Nutrition info is auto-generated. This information is an estimate; if you are on a special diet, please use your own calculations.

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    6086 shares
    • 5237

    Filed Under: Beef, Dinner, St. Patrick's Day

    Comments

    1. Kim Pitts says

      April 3, 2020 at 9:32 pm

      5 stars
      This was my first time using this method and I must say wonderfully delicious. It was easy to prepare, it was juicy, tender and so flavorful. I did add 1/2 tsp of ground mustard to the rub. This will be the only way from here on out. Not to mention clean up was a snap. Thanks for sharing….Happy tummy and family.

      Reply
    2. Anonymous says

      May 19, 2019 at 2:27 am

      De-lish!!!! Thanks for introducing us to the wonderful world of reubens!

      Reply
    3. ephywheeler says

      March 20, 2015 at 10:30 pm

      I just made this tonight. So good! And living in a dry cabin without running water, I’m super happy not to have a mess to clean up after.

      Reply
    4. Cook and save says

      April 28, 2014 at 11:10 am

      I am going to try this one my new crock pot. This is going to my first cooking in my slow cooker. Let us see how this helps.

      Reply
    5. Andy Bland says

      April 19, 2014 at 10:31 pm

      That looks absolutely delicious. Now I want me some Reuben Sandwiches.

      Reply
    6. Paul says

      March 16, 2014 at 5:18 am

      I love your site and can’t wait to try this recipe. Can you explain the reasoning for the heavily foil-wrapped corned beef? This is the first time I’ve encountered this technique. Thanks!

      Reply
      • Sarah Olson says

        March 16, 2014 at 9:41 pm

        Great question Paul! It’s to create a smaller place for the meat to steam! And to lock in the juices. Thanks for stopping by!

        Reply
        • Vicki A Hernandez says

          March 20, 2018 at 1:31 am

          I am diabetic Do you have to use the brown sugar in it

        • Sarah Olson says

          March 20, 2018 at 8:58 am

          No, you can leave it out.

        • Vicki A Hernandez says

          March 20, 2018 at 12:33 pm

          that’s awesome I will be making it today I’ll let you know how it turns out! Thank you Sarah have a blessed day

        • Vicki A Hernandez says

          March 23, 2018 at 11:52 am

          Have another question for you… I have a 11/2 lb corned beef brisket I want to cook to make racheal sandwiches and I was wondering if you could tell me the right amount of ingredients to use as I am no good at halfing recipes! it would be so greatly appreciated if you could!
          Vicki

    7. Lucy says

      March 14, 2014 at 8:32 am

      I actually never had a Reuben sandwich. But I’m thinking I may need to branch out of my food comfort zone. Thanks so much for sharing at Saturday Dishes! Hope to see you again this weekend! Pinning.

      Reply
    8. Daine Roark says

      March 11, 2014 at 5:20 pm

      Thanks for sharing this Crock-Pot Reuben recipe at Wonderful Wednesday blog hop. I pinned this page.

      Blessings,
      Diane Roark
      recipesforourdailybread

      Reply
    9. Ali says

      March 2, 2014 at 6:57 pm

      Woot! You have been featured this week at Recipe Sharing Monday! The new link party is up and I’d love to see you back. Have a great week. 🙂

      Reply
    10. Miz Helen says

      March 1, 2014 at 11:17 am

      Hi Sarah,
      I just love that you can prepare this awesome Reuben in the Slow Cooker, we will definitely be trying this recipe. Thank you so much for sharing with Full Plate Thursday and have a great weekend.
      Come Back Soon!
      Miz Helen

      Reply
    11. Suzanne says

      February 28, 2014 at 6:28 am

      Oh My Goodness ~ YUM!!! These look amazing! My mouth is watering!!! Thanks for sharing it! Found you on #GetHimFed!!

      Reply
    12. Aida@TheCraftingFoodie says

      February 25, 2014 at 6:46 pm

      Sarah,
      These look so delicious! My husband also loves rueben sandwiches. I have to give this recipe a try!

      Reply
    13. Aunt Bee says

      February 24, 2014 at 11:50 am

      This is absolutely brilliant! Going to have to try it soon! Love my slow cooker! <3

      Reply
    14. Carrie Groneman says

      February 24, 2014 at 10:58 am

      Stopping by from Jam Hands. I love to make corned beef in the crock pot too! You have a great site!! Carrie, A Mother’s Shadow

      Reply
    15. Slow Cooker Crock Pot Meal Enthusiast says

      February 24, 2014 at 10:45 am

      What a Wonderful idea! You really made this one Magic! Great Recipe! Great Post!

      Reply
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