Philly Cheesesteak Stuffed Peppers

By Mia

4.64 / 5

15min

30min

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6 medium green bell peppers tops, seeds, and membranes removed
2 tablespoons olive oil
2 tablespoons butter
1 (8 ounce) package sliced fresh mushrooms
1 large onion sliced
6 sandwich steaks sliced into strips
salt and ground black pepper to taste
garlic powder
12 slices provolone cheese