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Roast Beef Sliders are an easy dinner or party snack made with dinner rolls and loaded with deli shaved roast beef, mayo, horseradish, mozzarella, cheddar and crispy fried onions.

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Roast Beef Sliders are tasty baked miniature sandwiches.

These cheesy roast beef sliders get a bit of a kick from a mayo and horseradish sauce mixture.

This roast beef slider recipe takes about forty-five minutes from start to finish and produces twelve sliders.

Printable Recipe Card with a Full List of Ingredients and Instructions is Located at the Bottom of the Post.

Be sure to read through the entire post so that you don’t miss out on any important tips and tricks!

To make these sliders, I started by dumping some mayo into a mixing bowl.

I added some horseradish sauce to the bowl.

Then I added some mustard to the bowl.

I stirred all of the ingredients together well.

Then I sliced twelve dinner rolls open and placed the bottom buns on a baking sheet.

I spread half of the mayo mixture over the bottom buns.

Then I spread the remaining half of the mayo mixture over the cut side of the top buns.

I placed some shaved deli roast beef on the bottom buns.

I sprinkled some shredded mozzarella and cheddar cheese on top of the roast beef.

Then I sprinkled some French’s crispy fried onions on top of the cheese.

I placed the top buns on the sliders.

Then I brushed the tops of the buns with melted butter.

I poured some poppy seeds, onion powder and garlic powder into a small bowl and mixed them together.

I sprinkled the spice mixture on top of the buns.

Then I covered the sliders with aluminum foil.

I placed the baking sheet in the oven and baked the sliders for thirty minutes.

I removed the baking sheet from the oven and removed the foil.

I served the sliders immediately.

These cheesy roast beef sandwiches are sure to be a family favourite.

If you are looking for a delicious slider recipe, then you need to try these Roast Beef Sliders!

More Easy Slider Recipes You’ll Love…

PRINTABLE VERSION OF THE RECIPE CAN BE FOUND AT THE BOTTOM OF THE PAGE

Ingredients You’ll Need to Make These Roast Beef Sliders:

• ¾ cup mayo
• ¼ cup horseradish sauce
• ½ tablespoon yellow mustard
• 12 dinner rolls
• 12 oz shaved deli roast beef
• 2 cups shredded cheddar and mozzarella cheese blend
• 1 cup French’s crispy fried onions
• 1 tablespoon butter, melted
• 1 teaspoon poppy seeds
• ¼ teaspoon onion powder
• ¼ teaspoon garlic powder

How to Make Roast Beef Sliders:

1. Preheat oven to 375F.
2. Dump the mayo, horseradish sauce and mustard into a mixing bowl.
3. Stir well.
4. Slice the dinner rolls open and place the bottom buns on a baking sheet.
5. Spread half of the mayo mixture on the bottom buns.
6. Spread the remaining half of the mayo mixture on the cut side of the top buns.
7. Place the shredded roast beef on the bottom buns, spreading it out as evenly as possible.
8. Sprinkle the shredded cheese on top of the roast beef.
9. Sprinkle the crispy fried onions on top of the cheese.
10. Place the top buns on the sliders.
11. Brush the melted butter on top of the buns.
12. Pour the poppy seeds, onion powder and garlic powder into a small bowl and combine.
13. Sprinkle the spice mixture on top of the buns.
14. Cover the sliders with aluminum foil.
15. Place the baking sheet in the oven and bake the sliders for 30 minutes.
16. After 30 minutes remove the baking sheet from the oven.
17. Serve and enjoy!

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