Ingredients
Equipment
Method
- Preheat oven to 350°F (175°C). Lightly grease a 9x13 baking dish.
- In a skillet over medium heat, add olive oil and sliced onions. Sauté for 8-10 minutes until caramelized and soft.
- Slice the slider buns in half horizontally. Place the bottom halves in the baking dish.
- Layer half the provolone cheese, then the roast beef, then the caramelized onions, and finally the remaining cheese. Top with the bun lids.
- In a small bowl, whisk together melted butter, beef broth, Dijon mustard, Worcestershire sauce, minced garlic, salt, and pepper.
- Brush or pour the glaze mixture evenly over the tops of the buns.
- Cover with foil and bake for 10 minutes. Remove foil and bake for another 10-12 minutes until golden and cheese is melted.
- Serve warm immediately.
Notes
Serve with extra beef broth (au jus) on the side for dipping if desired.