This recipe for Roast Beef Sliders has been a reliable crowd-pleaser in my kitchen for years. I first put these together on a busy Saturday when friends were popping by and I wanted something fast, comforting, and unfussy. The combination of warm, thinly sliced roast beef gently simmered in beef broth, layered with provolone on pillowy Hawaiian rolls, and finished with a buttery dijon-and-onion glaze always disappears fast. The texture contrast—soft rolls, tender beef, gooey cheese, and a golden, slightly crisp top—is what keeps everyone reaching for seconds.

I love how flexible these are. They work as a simple weeknight dinner served with a salad, as a hearty appetizer for game day, or as part of a make-ahead meal for a potluck. Because the beef is warmed gently in broth instead of being dried out in a pan, it stays tender and moist. The melted butter, Dijon, dried onion and garlic powder brushed on top adds a savory, slightly tangy finish that caramelizes in the oven and gives each slider a restaurant-quality edge without much fuss. These sliders feel indulgent, but they come together in under an hour—perfect when you want big flavor on a small timeline.

Ingredients

• Beef broth (2 cups): I use low-sodium beef broth so I can control the saltiness. The broth warms the roast beef gently and adds moisture—look for brands like Swanson or Kitchen Basics for a reliable, pure beef flavor.
• Deli sliced roast beef (1 pound): Choose a high-quality thinly sliced roast beef from the deli counter—eye of round or top round varieties slice well. Ask the deli for sandwich-thin slices to avoid large, chewy pieces.
• Hawaiian Rolls (12 rolls): King's Hawaiian or store-brand sweet rolls work beautifully; they give a soft, slightly sweet counterpoint to the savory beef and butter glaze.
• Provolone cheese (12 slices): Mild provolone melts smoothly and adds a mild, milky flavor that complements the beef. You can substitute provolone with Swiss or mozzarella if desired.
• Salted butter (1/2 cup, melted): Brush over the tops for browning and flavor; salted butter adds a balanced finish—use unsalted if you prefer and add a pinch of salt to the mixture.
• Dijon mustard (1/2 tablespoon): Provides a subtle tang that cuts through the richness of butter and cheese. Grey Poupon or Maille are good choices for nuanced flavor.
• Dried onion flakes (1 teaspoon) & garlic powder (1/2 teaspoon): These dried aromatics boost the savory profile without adding moisture. They caramelize lightly on top and give a hint of savory crunch.

Instructions

Preheat and Prepare: Preheat the oven to 375°F. Lightly spray a 9x13-inch baking dish with nonstick cooking spray so the bottom rolls won’t stick and cleaning is easier. Have a large skillet ready for warming the beef—this step is quick but important to retain moisture. Warm the Broth: Pour 2 cups beef broth into a large skillet and bring to a gentle simmer over medium heat for about 4–5 minutes. You want steam rising and tiny bubbles at the edges but not a rolling boil; this concentrates flavor without reducing too much liquid. Heat the Roast Beef: Add 1 pound deli-sliced roast beef to the simmering broth and stir continuously for roughly 1–2 minutes until warmed through. Toss gently so slices separate and warm evenly; drain slightly against a slotted spoon so excess broth doesn’t make the rolls soggy. Assemble the Bottom Layer: Place the bottom halves of the 12 Hawaiian rolls cut-side up in the prepared baking dish, arranging them snugly so they support each other during baking. Lay 6 slices provolone across the bottom rolls, overlapping slightly to form an even cheese layer. Add the Beef and Top Cheese: Spread the warmed roast beef evenly over the cheese, letting any excess broth drip back into the skillet. Top the beef with the remaining 6 provolone slices so the meat is sandwiched between two layers of melty cheese for structure and flavor. Finish Assembly and Brush with Butter Sauce: Place the top halves of the rolls in position. In a small bowl whisk together 1/2 cup melted salted butter, 1/2 tablespoon Dijon mustard, 1 teaspoon dried onion flakes, and 1/2 teaspoon garlic powder. Brush this mixture liberally over the tops of the rolls—use it all to ensure even browning and deep flavor. Bake Covered: Cover the dish with nonstick foil (or spray a piece of foil with cooking spray before placing it over the sliders) and bake at 375°F for 20 minutes until the cheese is melted and the filling is heated through. Uncover and Brown: Remove the foil and bake an additional 5 minutes or until the tops are golden brown and slightly crisp. Let the sliders rest 2–3 minutes, then cut into individual pieces and serve warm.

Storage Tips

Store any leftovers in an airtight container in the refrigerator for up to 3 days. For best texture, reheat in a preheated oven at 350°F for about 10–12 minutes covered, then remove the cover for a couple more minutes to re-crisp the top. To freeze, cut into individual sliders, wrap the tray tightly in plastic wrap, then foil, and freeze for up to 3 months. Reheat from frozen at 350°F for 20–30 minutes covered, then uncover to brown.

Ingredient Substitutions

If you don’t have provolone, Swiss or mild cheddar are good alternatives; Swiss provides nuttiness while cheddar adds tang. For a healthier roll, substitute whole-wheat slider buns, understanding that the sweetness will be reduced. Replace Dijon with whole-grain mustard for texture, and use unsalted butter with a pinch of salt if you prefer tight control over sodium. For a beefier flavor, stir in a teaspoon of Worcestershire sauce to the warming broth.

Serving Suggestions

These are terrific with crisp sides: a simple green salad with a vinaigrette, oven-roasted potatoes, or a crunchy slaw. For parties, arrange sliders on a wooden board and garnish with fresh parsley and a bowl of warmed au jus for dipping. Add pickled jalapeños or dill pickles on the side for acidity, or serve with kettle chips for a classic diner-style vibe. They work well as finger food at cocktail parties or as the centerpiece of a casual buffet.

Cultural Background

Mini sandwiches and sliders are an American party tradition that evolved from classic deli sandwiches and the desire for bite-sized, shareable food. Hawaiian rolls add a sweet, soft texture and trace back to Portuguese sweet rolls that influenced Hawaiian baking; their use in sliders became popular because they hold together well and offer a pleasant contrast to savory fillings. This combination—deli-style roast beef, melted cheese, and buttered tops—draws from comfort-food traditions while being tailored to modern entertaining.

Seasonal Adaptations

In cooler months, add caramelized onions or sautéed mushrooms to the beef for warmth and depth. In summer, serve lighter by topping with crisp arugula or a spoonful of tangy slaw right before serving. For holiday gatherings, swap the provolone for a nutty Gruyère and add a smear of horseradish cream for festive, elevated flavor.

Meal Prep Tips

To streamline hosting, fully assemble the sliders up to the point of brushing the butter sauce, then cover and refrigerate for a few hours. Brush with the melted butter mixture and bake when needed—this prevents the tops from becoming soggy in the fridge. If you’re prepping for multiple events, freeze assembled but unbaked sliders on a baking sheet, then transfer to a freezer bag; bake from frozen, adding an extra 10–15 minutes covered.

These sandwiches are proof that a few simple steps—warming the beef in broth, layering the cheese, and finishing with a mustarded butter glaze—can transform deli ingredients into something special. Give them a try next time you need a fast, flavorful dish that satisfies a crowd.

Enjoy these warm, tender sliders and don’t hesitate to make them your own by experimenting with cheeses, condiments, and sides. They’re a small but mighty way to feed friends and family with minimal stress and maximum satisfaction.