Corey's Steak, Cheese, and Mushroom Subs
Ingredients:
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1 tablespoon olive oil
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1 pound fresh mushrooms, sliced
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1 ½ pounds shaved steak
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1 teaspoon soy sauce, or to taste
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1 pinch garlic powder, or to taste
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1 pinch onion powder, or to taste
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salt and ground black pepper to taste
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4 (6 inch) hoagie rolls, split lengthwise
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8 slices sharp American cheese