Roast Beef Sliders

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  • Prep Time

    10 mins

  • Cook Time

    25 mins

  • Total Time

    35 mins

  • Servings

    12 sliders

  • Calories

    419 kcal

  • Course

    Appetizer

  • Cuisine

    American

Roast Beef Sliders

These drippy, cheesy roast beef sliders are the perfect appetizer for entertaining! Made with layers of roast beef, a creamy garlic aioli spread, then brushed with a flavor-packed butter sauce and baked to golden brown perfection. All served with a rich au jus that will blow your guests mind.

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Ingredients

Servings
  • 1/4 cup mayonnaise homemade garlic aioli or mayonnaise
  • 2 cups onion optional, caramelized

Garlic Butter Sauce

  • 6 tablespoon butter melted, unsalted
  • 1 teaspoon Worcestershire sauce
  • 1 tablespoon poppy seeds
  • 1 tablespoon white sesame seeds
  • ½ tablespoon garlic powder
  • ½ tablespoon onion dried minced
  • 1/2 tsp salt kosher salt and freshly cracked
  • 1/2 tsp black pepper kosher salt and freshly cracked

Roast Beef Sliders

  • 12 slider buns sliced in half
  • 1/2 pound roast beef thinly sliced, deli
  • 12 lices cheese like Provolone, Swiss, Muenster, etc.
  • 1/2 cup mozzarella cheese shredded

Au Jus Sauce

  • 1/2 cup butter 8 tbsp
  • 1 tbsp beef base better than bouillon
  • 2 cups beef broth
  • 2 tsp Worcestershire sauce

Instructions

  1. Preheat your oven to 350ºF (180ºC or Gas 5).
  2. Make the Garlic Butter Sauce
  3. Whisk together the butter, worcestershire sauce, poppy seeds, white sesame seeds, garlic powder, minced onion, and salt and pepper together in a small bowl. Set aside for later.
  4. Make the Sliders
  5. Place the bottom halves of the slider buns onto your baking dish or rimmed baking sheet. Toast the buns for 2-3 minutes in the preheated oven and remove.
  6. Spread the aioli or mayonnaise over the bottom halves of the buns, then layer with the roast beef, slices of cheese, shredded mozzarella, and caramelized onions, if using.
  7. Top with the top halves of the slider buns, then use a pastry brush or silicone brush to slather the melted garlic butter sauce on top of the buns. Don't be stingy!
  8. Put the roast beef sliders into the preheated oven and bake for up to 15 minutes, until the tops are golden brown and the cheese is nice and melty.
  9. Cut between each slider with a serving spatula and serve with the rich, beefy au jus.
  10. Make the Beef Au Jus
  11. Melt the butter in a saucepan over medium-high heat.
  12. Whisk in the beef broth, beef base, and worcestershire sauce until well combined.
  13. Bring to a boil, then reduce to medium-low and simmer for about 15-20 minutes until the au jus reduces by half.
  14. Pour into a heat-safe bowl for dipping.

Notes

  • Get the recipe for caramelized onions here!
  • Get the recipe for the garlic aioli here
  • Make Ahead: Build the sliders up to two days ahead of time on a rimmed baking sheet or baking dish without the caramelized onions or garlic butter.
  • Before serving, make the garlic butter and top the sliders with the onions and bake as directed.
  • Storing: Keep your leftover French Dip sliders in an airtight container for up to 3 days.
  • Reheating Instructions: Reheat the leftovers in the oven at 375ºF for about 10 minutes so they don't get soggy!

Nutrition Information

Show Details
Serving 1g Calories 419kcal (21%) Carbohydrates 20g (7%) Protein 19g (38%) Fat 30g (46%) Saturated Fat 15g (75%) Polyunsaturated Fat 13g (76%) Trans Fat 1g (50%) Cholesterol 81mg (27%) Sodium 1031mg (43%) Fiber 2g (8%) Sugar 4g (8%)

Nutrition Facts

Serving: 12sliders

Amount Per Serving

Calories 419 kcal

% Daily Value*

Serving 1g
Calories 419kcal 21%
Carbohydrates 20g 7%
Protein 19g 38%
Fat 30g 46%
Saturated Fat 15g 75%
Polyunsaturated Fat 13g 76%
Trans Fat 1g 50%
Cholesterol 81mg 27%
Sodium 1031mg 43%
Fiber 2g 8%
Sugar 4g 8%

* Percent Daily Values are based on a 2,000 calorie diet.

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