Pull-Apart French Dip Sliders with Caramelized Onion Butter Tips, FAQ & printable recipe

Tips for success

To maximize flavor, you can lightly toast the inner surfaces of the brioche rolls before adding the fillings. This creates a moisture barrier that prevents the bread from becoming soft due to the au jus or the juices from the roast beef. This extra step ensures that the bottom of the slider remains firm and satisfying, even after dipping into the hot au jus.

For a more aromatic finish, you can sprinkle a small amount of fresh, finely chopped rosemary over the buttered tops just before placing the sliders in the oven. This infuses the crust with a fresh herbal note that complements the rosemary in the au jus.

Ensure the rosemary is finely minced so it adheres well to the butter and does not burn during the baking process, maintaining a clean and elegant flavor profile.

Variations

• Spicy Horseradish Sliders: Add two tablespoons of prepared horseradish to the onion butter mixture before brushing the rolls. This provides a sharp, spicy kick that cuts through the rich roast beef and cheese, offering a classic French dip experience with extra heat.
• Garlic Herb Sliders: Substitute the onion powder with two cloves of finely minced fresh garlic and one tablespoon of chopped fresh parsley. This variation offers a brighter, more aromatic flavor profile that pairs wonderfully with the savory roast beef.

Storage and make-ahead

Fridge

Keep in an airtight container for up to 2 days. Allow to cool completely before covering and refrigerating.

Freezer

Not recommended, as the texture of the brioche rolls and the quality of the roast beef will degrade significantly upon thawing and reheating.

Reheat

Place in a 350°F oven for 8-10 minutes until warmed through and the cheese is soft again.

Store any leftover sliders in an airtight container to keep them from drying out. They can be kept in the refrigerator for up to two days. When storing, it is best to keep the au jus in a separate, sealed container to prevent it from soaking into the bread and making it soggy. Reheat the sliders in a warm oven rather than the microwave to preserve the texture of the bread.

You can assemble the sliders up to four hours in advance, but hold off on applying the onion butter until just before you are ready to bake. Keep the assembled sliders covered with plastic wrap in the refrigerator.

When ready to serve, brush them with the butter mixture and bake as directed. This allows you to have everything ready for guests without compromising the freshness or the texture of the brioche rolls.

Serving ideas

Serve these sliders on a large, warmed platter to encourage guests to pull them apart. Provide small individual bowls of the hot rosemary au jus for each guest, allowing them to dip their sliders to their desired level of moisture.

The presentation should be rustic and inviting, highlighting the golden brown tops of the rolls and the melted cheese visible between the layers of roast beef.

Pair these sliders with a crisp side salad or roasted vegetables to round out the meal if serving as a main course. The acidity of a vinaigrette-based salad works well to cut through the richness of the roast beef and provolone.

Ensure the au jus is kept hot throughout the service, perhaps in a small fondue pot or a warming dish, to maintain the best experience for every guest.

Frequently asked questions

Recipe card

Pull-Apart French Dip Sliders with Caramelized Onion Butter

Prep 15 minCook 14 minRest 3 minTotal 32 minServes 12

Ingredients

• 1 lb thinly shaved rare deli roast beef
• 1 cup caramelized onions
• 8 slices aged provolone cheese
• 12 rolls brioche slider rolls
• 4 tbsp melted butter
• 1 tsp onion powder
• 1 tsp Worcestershire sauce
• 2 cups hot rosemary au jus

Instructions

1. Slice the brioche slider rolls horizontally. Layer the thinly shaved rare deli roast beef, caramelized onions, and aged provolone cheese evenly across the bottom halves of the rolls. Place the top halves of the rolls over the cheese to close the sliders.
2. In a small bowl, whisk together the melted butter, onion powder, and Worcestershire sauce until well combined. Using a pastry brush, generously coat the tops of the slider rolls with the savory onion butter mixture.
3. Preheat the oven to 375°F (190°C). Bake the sliders for 14 minutes until the rolls are golden brown and the cheese is melted and bubbly. Ensure the internal temperature of the roast beef reaches 145°F (63°C). Let the meat rest for at least 3 minutes before serving. Serve immediately with a side of hot rosemary au jus for dipping.

Contains: gluten, milk, fish, eggs

Estimated nutrition per serving

Calories

420

Protein

22 g

Carbohydrates

32 g

Fat

21 g

Fiber

1.5 g

Sugar

4 g

Sodium

850 mg

Automatic estimate from the ingredient list, not laboratory-verified.