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Sliders with roast beef and cheddar plated and ready to eat.

Roast Beef, Cheddar, & Caramelized Onion Sliders

Angela
These oven-baked roast beef & cheddar sliders on Hawaiian rolls are a yummy appetizer, small bite, or meal. Sliced beef steak, cheddar cheese, & sweet caramelized onions combine for an easy slider sandwich recipe. Great for parties, game day, Super Bowl, birthdays, lunch, dinner, or snack.
5 from 1 vote
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Prep Time 10 minutes
Cook Time 20 minutes
Caramelized Onions Cook Time 30 minutes
Total Time 1 hour
Course Appetizer, Snack
Cuisine American
Servings 12
Calories 172 kcal

Equipment

  • Serrated Bread Knife
  • 11x7 rimmed baking dish
  • Pastry Brush

Ingredients
  

  • 12 Hawaiian Sweet or Savory Rolls
  • ½ cup horseradish cream
  • 1 pound sliced deli-style roast beef
  • ½ cup caramelized onions recipe link shared above
  • 6 thick slices of cheddar cheese mild, medium, or sharp
  • 3 tablespoons salted butter
  • 1 tablespoon Dijon mustard
  • 1 tablespoon Worcestershire sauce
  • paprika

Instructions
 

Make Caramelized Onions

  • If making the caramelized onions at this time, it will take about 30-45 minutes to make them.
  • Follow my recipe for how to make caramelized onions - link shared above.

For the Sliders

  • Preheat oven to 375°.
  • Grab your best bread knife (serrated knife) that has a long blade. Ideally, the blade would be as long as the sliders are wide. Slice the Hawaiian rolls in half horizontally. Try your best to make the tops and bottoms of equal thickness.
    Place the bottoms in a 7x11 rimmed baking dish. Let the tops rest on the side.
  • Spread the horseradish cream on the bottom half of the slider rolls.
  • Top the horseradish with the roast beef. I like to fold over the slices in half and overlap them so there is a nice thick meaty layer.
  • Spoon on the caramelized onions next. Pile them up so every slider gets a good amount.
  • The final layer is the cheddar cheese slices. Place them in an even layer to cover up all the other ingredients.
  • Place the tops of the rolls on.
  • In a small microwave-safe bowl, melt the salted butter. Whisk in the dijon mustard and Worcestershire sauce.
    Using a pastry brush, coat the tops of all the rolls with the sauce. Finally, sprinkle on some paprika and then they are ready for baking.
  • Cover the baking dish with foil. Place the covered baking dish on a rack in the center of the oven. Bake for 15-20 minutes.
  • Hint: This keeps the rolls soft while cooking. If you want crispy tops, remove the foil for the final 5 minutes of baking.
  • Let the rolls sit for 2-3 minutes. This allows the cheese to set and cool.
  • Once they are set up, use a knife to cut between the rolls. Use a spatula to remove a slider one at a time to enjoy.

Notes

STORING & REHEATING:
  • Store leftovers in the refrigerator for up to 3 days.
  • Reheat in the oven at 350° for 10-15 minutes or until the filling is hot. 

Nutrition

Calories: 172kcalCarbohydrates: 17gProtein: 12gFat: 6gSaturated Fat: 3gPolyunsaturated Fat: 0.2gMonounsaturated Fat: 1gTrans Fat: 0.1gCholesterol: 39mgSodium: 753mgPotassium: 159mgFiber: 1gSugar: 5gVitamin A: 95IUVitamin C: 20mgCalcium: 120mgIron: 1mg
Keyword easy
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