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Lighter Leftover Prime Rib French Dip Sliders

lighter leftover prime rib french dip sliders - featured image
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Transform leftover prime rib into irresistible French dip sliders that are lighter but still packed with rich, beefy flavor. Whole wheat rolls, caramelized onions, and a lean au jus make this comfort food classic healthier without sacrificing taste.

Ingredients

Scale
  • 1 pound leftover prime rib, thinly sliced
  • 12 whole wheat slider rolls (such as Martin’s whole wheat potato rolls)
  • 6 slices provolone cheese, halved
  • 1 large yellow onion, thinly sliced
  • 2 tablespoons olive oil
  • 2 cloves garlic, minced
  • Salt and black pepper to taste
  • 2 cups low-sodium beef broth
  • 1 tablespoon Worcestershire sauce
  • 1 teaspoon soy sauce (or tamari for gluten-free)
  • 1 bay leaf
  • 1 teaspoon dried thyme
  • 1 tablespoon cornstarch mixed with 2 tablespoons cold water (optional, for thicker jus)

Instructions

  1. Caramelize the onions: Heat 1 tablespoon olive oil in a large skillet over medium heat. Add sliced onions and a pinch of salt. Cook, stirring occasionally, until soft and golden brown, about 8-10 minutes. Add minced garlic in the last minute and cook until fragrant. Transfer to a bowl and set aside.
  2. Make the lighter au jus: In a small saucepan, combine beef broth, Worcestershire sauce, soy sauce, bay leaf, and dried thyme. Bring to a simmer over medium heat. Let gently bubble for 10 minutes to concentrate flavors. If using leftover prime rib bones, add them now. Taste and adjust seasoning. Remove bay leaf and bones before serving. For thicker jus, whisk in cornstarch slurry and simmer 1 more minute.
  3. Warm the prime rib: In the same skillet used for onions, add thinly sliced prime rib. Cook over medium heat for 2-3 minutes, just until warmed through. Add a splash of au jus if needed to keep moist.
  4. Prepare the rolls: Preheat oven to 375°F (190°C). Slice slider rolls in half horizontally. Place bottom halves on a baking sheet. Mix remaining 1 tablespoon olive oil with a pinch of garlic powder (or leftover minced garlic) and brush onto cut sides of rolls. Toast in oven for 3-4 minutes until just golden.
  5. Assemble the sliders: Layer warmed prime rib onto bottom halves of rolls. Top with caramelized onions. Place provolone halves on top of onions. Put top halves of rolls on, pressing down gently.
  6. Melt and serve: Cover assembled sliders loosely with aluminum foil. Return to oven for 5 minutes until cheese is melted and gooey. Remove from oven, let rest 1 minute, then slice into individual sliders.
  7. Serve immediately with warm au jus in small ramekins for dipping.

Notes

Slice prime rib as thin as possible for best texture. Cold prime rib slices more easily. Toasting rolls prevents sogginess. Let assembled sliders rest before slicing for cleaner cuts. Au jus can be made up to 3 days ahead. Sliders can be frozen unbaked for up to 2 months.

Nutrition

Keywords: leftover prime rib, French dip sliders, healthy sliders, game day appetizer, leftover roast beef, whole wheat sliders, lighter comfort food

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