Preheat the oven to 400 degrees. Grease a 9x13 baking dish.
Slice each green bell pepper from the top down through the core. Discard the core, seeds and membrane. Place into the prepared baking dish and bake for 15 minutes.
3 large green peppers
Meanwhile, add half of the olive oil to a large skillet over mediu high heat. Add the shaved steak and cook, stirring and breaking into small pieces, until cooked through, 5-7 minutes. Then transfer steak to a plate.
2 tablespoon olive oil, 1 lb shaved steak
Add remaining olive oil to the skillet and cook the onion and red bell pepper for 5 minutes. Add the mushrooms and cook for 2 minutes more.
1 small onion, ½ medium red pepper, 6 oz mushrooms
Then return the steak to the skillet with the vegetables, add the Worcestershire sauce, salt and pepper. Break up 2 slices of provolone cheese and stir in until melted.
1 tablespoon worcestershire sauce, ½ teaspoon kosher salt, 1 teaspoon black pepper
Remove the baked green peppers from the oven and divide the meat and vegetable mixture into each. Add a slice of provolone cheese on top of each pepper.
8 slices provolone cheese
Bake for 15 minutes for al dente green peppers and up to 30 minutes for really soft green peppers.
Notes
Serving size of recipe is 1 full bell pepper per person.