Pizza Pot Pie
Ingredients:
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1 pound ground sausage
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1 (15 ounce) package pastry for a 9-inch double-crust pie
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1 (14 ounce) jar marinara sauce
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1 green bell pepper, diced
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1 yellow onion, diced
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2 cups shredded mozzarella cheese
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Italian seasoning, or to taste
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garlic powder, or to taste
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10 pepperoni slices, or more to taste