Dinner · Part 2 of 3: Instructions
Easy French Dip Slider Bake with Savory Au Jus Butter Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 12
Before you start
Before beginning, ensure the oven is preheated to the correct temperature to maintain a consistent baking environment. Arrange all ingredients on the counter, including the rolls, beef, cheese, and the components for the butter glaze.
Having the measuring cup and ramekin ready will facilitate a smooth assembly process. Ensure the baking dish is clean and dry before starting to prevent any sticking or uneven cooking during the bake.
Ingredients at a glance (6)
- 12 count slider rolls, split
- 1 lb deli roast beef, thinly sliced
- 6 slices provolone cheese
- 1/2 cup unsalted butter, melted
- 1 packet au jus gravy mix
- 1 tbsp dried minced onion
Instructions
Assembly of the sliders
- Assemble the basePlace the bottom halves of the slider rolls into a large rectangular ceramic baking dish. Layer the roast beef evenly over the rolls, followed by the provolone cheese slices. Top with the remaining roll halves.Look for Ensure the roast beef is evenly distributed to create a balanced filling.Tip Use a standard baking dish to ensure the sliders fit snugly.
At the end of this phase, the baking dish should be filled with the layered rolls, roast beef, and cheese. Ensure the rolls are tightly packed together to create a unified block that will hold its shape when lifted with a spatula after baking. Visually check that the cheese is distributed evenly across all rolls for a consistent melt.
Applying the glaze
- Prepare and apply the glazeIn a measuring cup, whisk together the melted butter and the au jus gravy mix until smooth. Pour this mixture evenly over the tops of the assembled sliders. Sprinkle the dried minced onion over the butter-coated rolls.Look for The glaze should coat the tops of the rolls thoroughly for optimal flavor.Tip Whisk the butter and gravy mix well to prevent clumps.
Once the butter and au jus mixture is poured, the rolls should appear evenly coated. The dried minced onion should be sprinkled uniformly across the surface.
Ensure the glaze has reached the edges of the rolls, as this will help them toast to a uniform golden color in the oven. Check that no large clumps of gravy mix remain in the measuring cup.
Baking the sliders
- Bake and servePreheat the oven to 350°F (175°C). Bake the sliders for 20 minutes or until the tops are golden brown and the cheese is melted. Ensure the roast beef reaches an internal temperature of 145°F (63°C). Let the sliders rest for 5 minutes before serving.Look for The slider tops should be toasted golden brown.Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)Tip Watch carefully during the final minutes to avoid burning the roll tops.
The sliders are done when the tops are a deep golden brown and the cheese is visibly bubbling at the edges of the rolls. The aroma of toasted rolls and savory roast beef should be fragrant in the kitchen. Ensure the center of the sliders is hot and the cheese is fully melted before removing the dish from the oven for the final rest.
Common mistakes
A common error is using too much butter, which can make the bottom of the rolls soggy. Measure the butter accurately to maintain the balance of the glaze. Another mistake is overcrowding the dish, which prevents the heat from circulating properly; use a dish that matches the size of the rolls closely.
Finally, ensure the oven is fully preheated before placing the dish inside to ensure the rolls toast properly rather than just drying out in a warming oven.
How to tell it’s done
The sliders are ready when the tops are toasted to a rich golden brown and the cheese is thoroughly melted throughout. The roast beef inside should be heated until it reaches an internal temperature of 145°F (63°C).
Allowing the dish to rest for 5 minutes after removing it from the oven is essential; this brief period helps the cheese set slightly, making the sliders easier to lift and serve without falling apart.
- Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)