Ingredients
The following ingredients have 4 Servings
- 1 loaf ciabatta (sliced in half horizontally)
- 3 large sweet onions (sliced thinly)
- 1 T olive oil
- 1/4 tsp salt
- 1/8 tsp black pepper
- 1/2 tsp balsamic vinegar
- 1 lb deli roast beef
- 8 slices provolone cheese
Instruction
- Preheat oven to 450.
- Heat oil in a large skillet over medium heat. Add onions. Reduce heat to medium/low and allow onions to caramelize, about 20 minutes. Stir, but only occasionally. Season with salt, pepper and balsamic vinegar.
- Layer ingredients on top of bread in this order: onions, roast beef, provolone cheese.
- Place loaded bread halves on a baking sheet and cook at 450, 5-7 minutes, just until cheese is melted and browned. Remove from oven and cut into desired portion sizes.
