Savory Roast Beef Swiss Sliders

Category: Everyday Mains Made Simple

These sliders bring together tender, thinly sliced roast beef and melted Swiss cheese nestled in soft, sweet slider rolls. A creamy blend of mayonnaise and Dijon mustard adds a subtle tang, while a buttery glaze infused with Worcestershire sauce, garlic, onion powder, and poppy seeds tops the rolls before baking. The result is a warm, flavorful dish with melted cheese and a crispy, golden finish. Perfect for casual gatherings or a satisfying snack.

Breanna smiling at the camera.
Created By Breanna
Last updated on Thu, 29 Jan 2026 19:15:01 GMT
A plate of saucy roast beef and swiss sliders. Save
A plate of saucy roast beef and swiss sliders. | foodiffy.com

These saucy roast beef and Swiss sliders make for a comforting and irresistible meal perfect for casual gatherings or a cozy family night. The combination of tender, savory roast beef with melty Swiss cheese and a tangy spread layered on soft, sweet slider rolls guarantees a satisfying bite every time.

I first pulled these together for a small weekend get-together and they disappeared so fast that they soon became my go-to appetizer for any crowd.

Ingredients

  • Slider rolls: from a 12-pack sliced horizontally for easy layering and to hold all the fillings well
  • Roast beef: thinly sliced for tenderness and packed with savory flavor just like deli-style cuts but fresher
  • Swiss cheese: melts perfectly and adds a nutty note that pairs well with the roast beef
  • Mayonnaise: adds creaminess making the spread rich but not heavy
  • Dijon mustard: gives a bright tang to cut through the richness
  • Unsalted butter: melts into a luscious glaze that helps everything brown beautifully in the oven
  • Worcestershire sauce: amps up umami notes making the topping deeply flavorful
  • Onion powder and garlic powder: bring subtle but essential depth without overpowering the other ingredients
  • Poppy seeds: add a nice pop of texture and a classic finishing touch to the buttery topping
  • Salt: balances the flavors so nothing tastes flat or too salty

Instructions

Preheat Your Equipment:
Preheat your oven to 350 degrees Fahrenheit which ensures even cooking without drying out the sliders. Lightly grease or line a 9 by 13 inch baking dish with parchment paper to prevent sticking and easy cleanup.
Combine Ingredients:
Mix mayonnaise and Dijon mustard in a small bowl creating a creamy tangy spread that flavors the base of the sandwich. In a small saucepan over low heat melt the butter completely then stir in Worcestershire sauce, onion powder, garlic powder, salt, and poppy seeds. Set this mixture aside so the flavors meld while you assemble the sliders.
Prepare Your Cooking Vessel:
Place the bottom halves of the slider rolls in one even layer inside the prepared baking dish. This forms a sturdy base for all the layers to stack evenly for baking.
Assemble the Dish:
Spread the mayo-mustard mixture evenly over all the bottom rolls. Layer half the Swiss cheese slices on top creating a melty barrier between the bread and meat. Add all of the roast beef slices evenly distributing them so every bite has a meaty punch. Cover the meat with the remaining cheese to lock in flavor and moisture. Top everything with the roll lids to close the sliders.
Cook to Perfection:
Generously brush the melted butter mixture over the rolls’ tops coating them in flavor. Cover the baking dish loosely with foil to trap steam which helps melt the cheese without drying the bread. Bake for 15 minutes.
Finishing Touches:
Remove the foil and bake for an additional 5 to 7 minutes until the tops turn golden brown and the cheese is bubbly and completely melted. This step adds beautiful color and a slight crisp texture.
Serve and Enjoy:
Let the sliders rest for 5 minutes to allow the cheese and juices to settle making them easier to slice and handle. Serve warm and watch them disappear quickly.
A plate of saucy roast beef and swiss sliders.
A plate of saucy roast beef and swiss sliders. | foodiffy.com

These sliders remind me of family game nights where everyone gathered around sharing bites and laughter.

Storage tips

Store leftover sliders tightly wrapped in the refrigerator for up to three days. Reheat in the oven at 350 degrees Fahrenheit for 10 minutes to keep the cheese melty and bread soft.

Ingredient swaps

Swiss cheese can be swapped for provolone or mozzarella for a different but still creamy melt. Use horseradish sauce instead of Dijon mustard for more heat and a classic roast beef pairing.

Serving ideas

Serve with pickles or a crisp green salad to balance the richness. Add a side of crispy potato chips for the perfect casual meal.

A plate of sandwiches with sauce on them.
A plate of sandwiches with sauce on them. | foodiffy.com

Enjoying these sliders warm makes all the difference as the cheese is luxuriously gooey right after baking.

Frequently Asked Recipe Questions

→ What kind of rolls work best for these sliders?

Soft, sweet slider rolls sliced horizontally create the ideal base and top for layering the ingredients and absorbing the buttery glaze.

→ How do I ensure the cheese melts evenly?

Layering Swiss cheese both under and over the roast beef, then baking covered with foil before uncovering helps the cheese melt thoroughly without drying out.

→ Can I prepare these sliders ahead of time?

You can assemble the sliders a few hours prior and keep refrigerated. Bake just before serving to maintain freshness and texture.

→ What adds the savory depth to the buttery topping?

Worcestershire sauce combined with garlic and onion powders enriches the butter glaze with layers of umami and warmth.

→ Are poppy seeds necessary for the topping?

Poppy seeds add a subtle crunch and visual appeal, but can be omitted if unavailable or unwanted.

Saucy Roast Beef Swiss Sliders

Tender roast beef and Swiss cheese layered on soft slider rolls with a flavorful buttery glaze.

Preparation Time
15 mins
Time to Cook
22 mins
Overall Time
37 mins
Created By: Breanna

Type of Recipe: Lunch & Dinner

Cooking Difficulty: Suitable for Beginners

Cultural Origin: American

Portion Size: 12 Number of Servings (12 sliders)

Dietary Options: ~

Ingredients Required

→ Bread

01 12 slider rolls, horizontally sliced

→ Meat

02 340 grams thinly sliced roast beef

→ Cheese

03 8 to 10 slices Swiss cheese

→ Sauces and Condiments

04 60 milliliters mayonnaise
05 30 milliliters Dijon mustard

→ Glaze

06 57 grams unsalted butter
07 15 milliliters Worcestershire sauce
08 5 milliliters onion powder
09 2.5 milliliters garlic powder
10 1.25 milliliters salt
11 5 milliliters poppy seeds

Guide to Cooking

Step 01

Preheat the oven to 175°C. Lightly grease or line a 23x33 cm baking dish with parchment paper.

Step 02

In a small bowl, combine mayonnaise and Dijon mustard until smooth.

Step 03

In a saucepan over low heat, melt unsalted butter. Stir in Worcestershire sauce, onion powder, garlic powder, salt, and poppy seeds. Remove from heat and set aside.

Step 04

Place the bottom halves of the slider rolls in a single, even layer in the prepared baking dish.

Step 05

Spread the mayonnaise-Dijon mixture evenly over the bottom rolls. Layer half of the Swiss cheese slices, followed by all the roast beef, then the remaining cheese slices. Cover with the roll tops.

Step 06

Brush the tops generously with the prepared butter glaze. Cover the dish loosely with aluminum foil.

Step 07

Bake in the preheated oven for 15 minutes.

Step 08

Remove the foil and bake for an additional 5 to 7 minutes until the tops are golden brown and the cheese is fully melted.

Step 09

Allow the sliders to rest for 5 minutes before slicing and serving warm.

Extra Suggestions

  1. Resting sliders before serving allows melted cheese to set slightly, making slicing easier and preserving juiciness.

Necessary Equipment

  • 23x33 cm baking dish
  • Saucepan
  • Mixing bowl
  • Aluminum foil

Allergen Info

Always check ingredient labels for allergens, and talk to a health expert if you’re unsure.
  • Contains dairy, gluten, and mustard

Nutritional Info (Per Serving)

Nutrition facts are for general information and shouldn’t replace professional health advice.
  • Energy (Calories): 320
  • Fats: 20 g
  • Carbohydrates: 30 g
  • Protein: 15 g