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