Bubble Pizza
Ingredients:
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1 pound ground beef
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¼ pound sliced pepperoni sausage
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1 (14 ounce) can pizza sauce
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2 (12 ounce) packages refrigerated buttermilk biscuit dough
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½ onion, sliced and separated into rings
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1 (10 ounce) can sliced black olives
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1 (4.5 ounce) can sliced mushrooms
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1 ½ cups shredded mozzarella cheese
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1 cup shredded Cheddar cheese