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Crispy Reuben Sandwich Sliders Recipe with Easy Tangy Thousand Island Sauce

crispy reuben sandwich sliders - featured image

These Crispy Reuben Sandwich Sliders combine tender corned beef, melted Swiss cheese, and tangy homemade Thousand Island sauce on buttery toasted slider buns for a quick, crowd-pleasing comfort food perfect for potlucks and family gatherings.

Ingredients

Scale
  • 12 small slider buns (soft rolls, e.g., King’s Hawaiian)
  • 1 pound thinly sliced corned beef (deli-style or leftover cooked)
  • 12 slices Swiss cheese
  • 1 cup sauerkraut, drained (or quick-pickle shredded cabbage for crunch)
  • 3 tablespoons unsalted butter, softened (for toasting buns)
  • For the Tangy Thousand Island Sauce:
  • 1/2 cup mayonnaise
  • 2 tablespoons ketchup
  • 1 tablespoon sweet pickle relish
  • 1 teaspoon Worcestershire sauce
  • 1 teaspoon apple cider vinegar
  • 1/2 teaspoon garlic powder
  • Salt and pepper to taste

Instructions

  1. Make the Thousand Island Sauce: In a small mixing bowl, combine mayonnaise, ketchup, sweet pickle relish, Worcestershire sauce, apple cider vinegar, and garlic powder. Stir well until smooth. Season with salt and pepper to taste. Refrigerate for about 10 minutes to let flavors meld.
  2. Prepare the Slider Buns: Slice the slider buns in half horizontally. Spread softened butter evenly on the cut sides of all buns.
  3. Toast the Bottom Buns: Heat a large skillet over medium heat. Place the bottom halves of the buns buttered side down in the skillet. Toast until golden brown and crispy, about 2–3 minutes. Remove and set aside.
  4. Assemble the Sliders: On each toasted bottom bun, layer approximately 1.5 ounces (about 45 grams) of corned beef, then a heaping tablespoon of sauerkraut or quick-pickle cabbage slaw, and top with a slice of Swiss cheese.
  5. Toast the Top Buns: Butter the top halves of the buns and place them buttered side down in the skillet until golden and crispy, about 2 minutes.
  6. Combine & Melt: Carefully place the assembled bottom buns back into the skillet, cheese side up. Top each with the toasted bun halves. Lower heat to medium-low and cover the skillet with a lid or foil for 3–5 minutes to melt the cheese and warm through. Check to ensure cheese is melted but buns do not burn.
  7. Serve with Sauce: Remove sliders from the skillet, slice if desired, and serve immediately with a generous dollop of the tangy Thousand Island sauce on the side or spread on the top bun before assembling.

Notes

Use gluten-free slider buns for a gluten-free version. Substitute turkey pastrami or vegan cheese and mayonnaise for dairy-free or vegetarian versions. Toast buns separately to prevent sogginess. Cover skillet when melting cheese to avoid burning buns. Sauce tastes better if made a few hours ahead and chilled. Avoid microwaving leftovers to keep buns crispy.

Nutrition

Keywords: Reuben sliders, corned beef sliders, sandwich sliders, Thousand Island sauce, comfort food, easy sliders, party food, potluck recipe