For the filling
01 -
1 tablespoon neutral oil
02 -
1 lb (450 g) shaved steak or very thin sliced sirloin
03 -
1 small yellow onion, finely diced
04 -
1 green bell pepper, finely diced
05 -
1 cup (75 g) finely chopped mushrooms
06 -
1 teaspoon Worcestershire sauce
07 -
1/2 teaspoon garlic powder
08 -
3/4 teaspoon kosher salt
09 -
1/2 teaspoon black pepper
10 -
6 slices provolone cheese, chopped
For rolling and frying
11 -
12 egg roll wrappers
12 -
1 large egg, beaten with 1 tablespoon water
13 -
6 cups neutral oil, or enough for 2 inches in the pot
14 -
Spicy mayo or warm cheese sauce, for serving