Ingredients
Method
Preparation
- Preheat your oven to 350°F (175°C).
- Slice the slider buns in half and place the bottom halves in a baking dish.
- Layer with roast beef, caramelized onions, and provolone cheese.
- Top with the upper halves of the buns and brush with melted butter, if desired.
Baking
- Bake in the oven for 15-20 minutes until the cheese is melted and the buns are toasted.
- Serve warm with au jus for dipping.
Notes
Store leftovers in an airtight container in the refrigerator for up to three days. Reheat in the oven to avoid sogginess.
