- pepper: Finely chopped.
- 1 cup mushrooms: Finely chopped, optional.
- 1 cup shredded provolone cheese: Mozzarella, cheddar, Swiss, or a combination can also be used.
- 1 tablespoon Worcestershire sauce.
- 1 teaspoon garlic powder.
- 1 teaspoon salt.
- ½ teaspoon black pepper.
- 1 tablespoon olive oil or butter.
For the Egg Rolls
- 12 egg roll wrappers.
- 1 egg: Beaten, for sealing the wrappers.
- Vegetable oil: For frying, if using the fried method.
Optional Dipping Sauce
- ½ cup mayonnaise.
- 2 tablespoons ketchup.
- 1 teaspoon Dijon mustard.
- 1 teaspoon Worcestershire sauce.
