The Ultimate French Dip Roast Beef Sliders Recipe for Game Day

Craving that savory, slow-cooked roast beef flavor but need something perfectly portioned and easy to eat? These French Dip Roast Beef Sliders are the answer! They pack all the delicious, au jus-dipped goodness of a classic French Dip sandwich into a miniature, crowd-pleasing package, perfect for parties or a satisfying weeknight meal.

Why You Will Love This Recipe

These French Dip Roast Beef Sliders are a guaranteed hit because they capture the essence of a gourmet deli sandwich without any fuss. The combination of tender roast beef, melted Swiss cheese, and savory caramelized onions piled high on soft slider buns makes every bite irresistible. Best of all, they are baked together, allowing the flavors to meld beautifully in the oven, creating an incredibly moist and flavorful slider experience that requires minimal last-minute work.

Ingredients

• 1 pound thinly sliced deli roast beef (high quality is recommended)
• 12 Hawaiian sweet rolls or other soft slider buns
• 4 tablespoons unsalted butter, melted
• 1 tablespoon Worcestershire sauce
• 1 teaspoon dried Italian seasoning
• 1/2 teaspoon garlic powder
• 1/4 teaspoon black pepper
• 1 large white or yellow onion, thinly sliced
• 1 tablespoon olive oil
• 8 slices Swiss cheese
• 1 1/2 cups good quality beef broth (for the au jus)
• 1 tablespoon cornstarch (optional, for thickening the au jus)

Step-by-Step Instructions

1. Prepare the Onions: Heat the olive oil in a skillet over medium heat. Add the thinly sliced onions and cook slowly, stirring occasionally, for 15 to 20 minutes, until deeply caramelized and soft. Set aside.
2. Prepare the Au Jus: In a small saucepan, combine the beef broth. If you prefer a slightly thicker dipping sauce, whisk the cornstarch into 2 tablespoons of cold water until smooth, then whisk this slurry into the warm beef broth. Heat until slightly thickened, then keep warm on low heat. This is your dipping au jus.
3. Prepare the Buns: Slice the slider rolls horizontally, keeping the rolls connected if possible. Place the bottom halves of the rolls in a 9×13 inch baking dish.
4. Assemble the Sliders: Layer half of the Swiss cheese slices over the bottom buns. Next, pile the softened, caramelized onions evenly over the cheese. Layer the roast beef on top of the onions. Top the roast beef with the remaining Swiss cheese slices. Place the top halves of the rolls over the fillings.
5. Make the Butter Topping: In a small bowl, whisk together the melted butter, Worcestershire sauce, Italian seasoning, garlic powder, and black pepper.
6. Season and Bake: Brush the entire top of the assembled sliders generously with the butter mixture, ensuring it seeps down between the buns. Cover the baking dish tightly with aluminum foil.
7. Bake: Bake in a preheated oven at 350°F (175°C) for 15 minutes covered. Remove the foil and bake for another 5 to 10 minutes, or until the cheese is fully melted and the tops of the rolls are lightly golden brown.
8. Serve: Remove from the oven, slice the rolls into individual sliders, and serve immediately alongside small bowls of the warm au jus for dipping.

Expert Tips / Pro Tips

For the absolute best French Dip Roast Beef Sliders, focus on quality ingredients and moisture control. Use the best quality, thinly sliced roast beef you can find from your local deli; freshly sliced is always superior to pre-packaged varieties. Don’t rush the onions; allowing them to caramelize slowly develops a deep sweetness that cuts through the richness of the beef and cheese. When making the au jus, taste it before serving—a pinch of salt or a dash of garlic salt can elevate the dipping sauce significantly. If your rolls start browning too quickly during the final uncovered bake, loosely tent them with foil to prevent burning.

Variations & Substitutions

To customize your sliders, consider swapping out the cheese. Provolone or Gruyère offer a sharper, more complex flavor profile than traditional Swiss. For a little heat, add a thin layer of horseradish cream or a few pickled jalapeño slices over the roast beef before the top layer of cheese. Instead of plain beef broth for the au jus, use a mixture of beef broth and dry red wine for a richer flavor base. If you don’t have Hawaiian rolls, Brioche buns work wonderfully, though they may brown faster.

Serving Suggestions

These savory sliders are robust enough to be the star of any gathering. They pair exceptionally well with classic picnic or game-day sides. Consider serving them with crispy sweet potato fries, a fresh, light coleslaw to cut the richness, or even a simple side salad dressed with a vinaigrette. They are also fantastic served alongside a small cup of creamy tomato soup for an elevated twist on the classic beef and tomato pairing.

Storage, Freezing & Reheating

These sliders are definitely best eaten fresh while the cheese is gooey and the bread is warm. If you have leftovers, store them tightly covered in the refrigerator for up to 3 days. To reheat, the oven or an air fryer is best. Place the sliders on a baking sheet and bake at 350°F (175°C) for about 8-10 minutes until heated through. For the au jus, store it separately in an airtight container and reheat gently on the stovetop. Do not attempt to freeze the assembled sliders once baked, as the bread texture degrades significantly upon thawing and reheating.

Nutrition Information

Note: Nutritional information is an estimate and will vary based on specific brand ingredients used, particularly the type of rolls and the amount of au jus served.

FAQ

Can I make the caramelized onions ahead of time?

Yes, absolutely. Caramelized onions store wonderfully in the refrigerator for up to five days. Make a large batch on the weekend if you plan on making these sliders or using them in other recipes throughout the week.

What kind of roast beef is best for this recipe?

The best roast beef is freshly sliced from a whole roast if possible, or a high-quality deli roast beef labeled “rare” or “medium-rare.” It should be sliced very thinly, ideally 1/16th of an inch thick, to ensure maximum tenderness when heated in the oven.

Why do I cover the sliders with foil initially?

Covering the sliders with foil ensures that the bread heats up thoroughly and steams slightly, which helps melt the cheese completely without drying out the delicate roast beef or burning the tops of the buns before the interior is hot.

French Dip Roast Beef Sliders

Tender roast beef layered with melted provolone cheese on soft slider buns, served with a rich, savory au jus for dipping. Perfect for game days or a quick, satisfying meal.

Print Recipe Pin Recipe

Prep Time 20 minutes mins

Cook Time 15 minutes mins

Total Time 35 minutes mins

Servings: 12 sliders

Course: Appetizer, Dinner, Lunch

Cuisine: American

Calories: 380

Ingredients Method Notes

Ingredients

  

For the Sliders

• 12 count Hawaiian Sweet Rolls or Slider Buns About 1 package (12 count)
• 1 lb Deli Roast Beef Thinly sliced
• 8 slices Provolone Cheese Or Swiss cheese
• 4 tbsp Unsalted Butter Melted
• 1 tsp Worcestershire Sauce
• 1 tsp Garlic Powder
• 0.5 tsp Onion Powder
• 0.25 tsp Dried Thyme

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For the Au Jus

• 2 cups Beef Broth Low sodium preferred
• 1 tbsp Beef Bouillon Paste or Powder Optional, for deeper flavor
• 1 tsp Soy Sauce
• 0.5 tsp Black Pepper

Method

 

Instructions

1. Preheat your oven to 350°F (175°C). Lightly grease a 9×13 inch baking dish or line it with parchment paper.
2. Prepare the au jus: In a small saucepan, combine the beef broth, bouillon (if using), soy sauce, and black pepper. Bring to a simmer over medium heat, stirring until the bouillon dissolves. Keep warm over low heat.
3. Slice the slider rolls horizontally in one piece, keeping the tops and bottoms together. Place the bottom halves in the prepared baking dish.
4. Layer the roast beef evenly over the bottom buns. Top the beef with the provolone cheese slices, ensuring even coverage.
5. Place the top halves of the rolls over the cheese and beef. In a small bowl, melt the butter and whisk in the Worcestershire sauce, garlic powder, onion powder, and dried thyme.
6. Brush the melted herb butter mixture generously over the tops of the slider buns.
7. Cover the baking dish loosely with aluminum foil and bake for 10 minutes to allow the cheese to melt and the filling to heat through.
8. Remove the foil and bake for an additional 3-5 minutes until the tops are lightly golden brown and crisp. Slice the entire batch into individual sliders.
9. Serve immediately. Place the sliders on a serving platter alongside a small bowl of the warm au jus for dipping.

Notes

For extra flavor, you can sauté a thin layer of caramelized onions and layer them under the cheese. If you prefer a richer au jus, use beef consommé instead of plain broth.