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Mushroom Swiss Roast Beef Slider being scooped above the rest of the sliders with cheese dripping down the side.
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5 from 3 votes

Mushroom Swiss Roast Beef Sliders

These Mushroom Swiss Roast Beef Sliders make the perfect appetizer! Tender beef with a tangy blue cheese horseradish sauce, these are to die for!
Prep Time15 mins
Cook Time20 mins
Total Time35 mins
Course: Appetizer
Cuisine: American
Keyword: Beef, Mushroom, Sliders
Servings: 12
Calories: 293kcal
Author: Erica Walker


  • 9x13 inch pan


Blue cheese horseradish sauce:


  • Preheat oven to 350 degrees.
  • Spray the bottom of a 9x13 baking dish with cooking spray.
  • Take rolls out of the package.. do not separate them! You want them to be all together. Slice them horizontally through the middle so you have 2 flat slabs.
  • Place the "bottom" slab in the baking dish, set the "top" aside.
  • Saute mushrooms in a medium-sized skillet and set aside.
  • Layer roast beef, sautéed mushrooms, and cheese over the bottom layer. Place the top slab over the top.
  • Combine butter garlic, Worcetershire, and onion powder in a small bowl and mix well. Using a pastry brush, brush butter mixture over the top of the sliders. Cover dish with tin foil and bake for 20-25 minutes or until cheese has melted.
  • While sliders are baking combine sauce ingredients in a small sauce-pot over low heat. Stir often until cheese mixture until cheese is just melted (remove before bringing to a simmer).
  • Remove sliders from oven and serve with sauce on the side (each individual can put a little sauce on their slider).
  • Serve immediately.


Calories: 293kcal | Carbohydrates: 18g | Protein: 16g | Fat: 18g | Saturated Fat: 10g | Cholesterol: 64mg | Sodium: 717mg | Potassium: 193mg | Fiber: 1g | Sugar: 5g | Vitamin A: 404IU | Vitamin C: 14mg | Calcium: 272mg | Iron: 1mg