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French Dip Sliders with Caramelized Onions and Swiss Cheese Recipe

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4.3 from 12 reviews

These French Dip Sliders feature layers of savory roast beef, sweet caramelized onions, and melted Swiss cheese on soft Hawaiian rolls, perfectly brushed with a buttery Dijon mustard topping and baked until bubbly. Served with warm au jus for dipping, they make a delicious and easy crowd-pleaser ideal for parties and game day gatherings.

  • Total Time: 45 minutes
  • Yield: 12 sliders

Ingredients

For the Caramelized Onions

  • 4 Tablespoons butter
  • 2 onions, thinly sliced
  • 1 ½ teaspoons fresh thyme, minced
  • Salt and pepper to taste

For the Sliders

  • 12 Hawaiian dinner rolls
  • 1 pound deli sliced roast beef
  • 12 slices Swiss cheese

Topping and Sauce

  • 3 Tablespoons butter
  • 2 Tablespoons Dijon mustard
  • 1 ½ Tablespoons dried onion soup mix
  • Au jus gravy mix (prepared when serving)

Instructions

  1. Preheat Oven: Preheat your oven to 350°F and line a baking sheet with parchment paper to prepare for baking the assembled sliders.
  2. Caramelize Onions: In a large skillet over medium heat, melt 4 tablespoons of butter. Add the thinly sliced onions and cook, stirring frequently, for about 15 minutes or until the onions are soft and golden brown. Remove from heat and season with minced thyme, salt, and pepper to taste.
  3. Assemble Sliders: Using a bread knife, slice the Hawaiian rolls horizontally into halves. Place the bottom halves on the prepared baking sheet. Layer each bottom with slices of roast beef, then add a slice of Swiss cheese on top of the beef, followed by a generous spoonful of the caramelized onions. Place the top halves of the buns over the fillings.
  4. Prepare Topping: In a small bowl, combine 3 tablespoons of butter and 2 tablespoons of Dijon mustard. Microwave for 10 seconds until melted, then stir to combine thoroughly.
  5. Brush and Sprinkle: Brush the mustard-butter mixture evenly atop the slider buns. Sprinkle the dried onion soup mix evenly over the brushed tops to add extra flavor.
  6. Bake Sliders: Tent the sliders loosely with aluminum foil to prevent over-browning. Bake in the preheated oven for 15 to 20 minutes, or until the cheese has melted fully. Remove the foil and bake for an additional 5 minutes if you desire toasted tops on the buns.
  7. Serve with Au Jus: Prepare the au jus gravy mix according to package instructions and serve warm alongside the sliders for dipping, enhancing the savory flavors of the roast beef sliders.

Notes

  • Use Hawaiian rolls for their sweetness and soft texture that complement the savory filling perfectly.
  • Caramelize onions slowly to bring out their natural sweetness for best flavor.
  • You can prepare the au jus mix while the sliders bake for an easy finishing touch.
  • To make ahead, assemble the sliders and refrigerate before baking, adding a few extra minutes to baking time if baking cold.
  • For a spicier kick, add a dash of hot sauce to the mustard butter mixture before brushing on the buns.
  • Author: admin
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Category: Appetizer
  • Method: Baking
  • Cuisine: American

Find it online: https://avascooking.com/french-dip-sliders-with-caramelized-onions-and-swiss-cheese-recipe/