Philly Cheese Steak Stuffed Peppers

Ingredients:

° 6 medium green bell peppers – heads, seeds and membranes removed

° 2 tablespoons olive oil

° 2 tablespoons of butter

° 1 (8 oz) package slice ​​fresh mushrooms

° 1 onion, sliced

° 6 sandwich steaks, sliced ​​into strips

° salt and ground black pepper to taste

° garlic powder

° 12 slices of provolone