French Dip Sliders (Print)

Tender roast beef, melted provolone, and caramelized onions on soft slider buns, served with rich au jus for ultimate dipping.

# What You Need:

→ For the Sliders

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→ For the Caramelized Onions

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→ For the Au Jus

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# How to Make:

01 - Preheat the oven to 350°F. Line a 9x13-inch baking dish with parchment paper or lightly grease it.
02 - In a skillet over medium heat, melt 2 tablespoons butter. Add sliced onions and a pinch of salt; cook, stirring occasionally, until deeply caramelized, about 12–15 minutes. Set aside.
03 - Slice the slider buns horizontally while keeping tops and bottoms connected. Place the bottom half in the prepared baking dish.
04 - Layer half the cheese slices over the buns. Evenly distribute roast beef, then top with caramelized onions and remaining cheese. Place the top half of the buns over the cheese.
05 - In a small bowl, mix 2 tablespoons melted butter, Dijon mustard, Worcestershire sauce, and garlic powder. Brush evenly over the tops of the buns. Sprinkle with poppy seeds if desired.
06 - Cover the dish with foil and bake for 15 minutes. Remove foil and bake another 5–7 minutes, until tops are golden and cheese is melted.
07 - In a saucepan, combine beef broth, Worcestershire sauce, soy sauce, and garlic powder. Bring to a simmer and cook for 5 minutes. Adjust seasoning with salt and pepper.
08 - Serve sliders warm with small bowls of au jus for dipping.

# Expert Advice:

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  • These sliders disappear faster than you can say 'seconds please' at every gathering
  • The make ahead friendly approach means you're not stuck in the kitchen while guests arrive
  • That warm beefy au jus turns a simple sandwich into something people talk about weeks later
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  • The onion caramelization cannot be rushed or skipped, they're the flavor anchor of the whole dish
  • Let the sliders rest for about 3 minutes after baking so the cheese sets slightly and doesn't slide out when you cut them
  • Aujus can be made ahead and reheated, actually tastes better after the flavors meld
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  • Place a empty baking sheet on the rack below the sliders to catch any butter drips and save your oven from smoking
  • If your buns feel stale, brush the bottoms with a little beef broth before assembling

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