INGREDIENTS
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4 tablespoons butter
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2 cloves garlic, minced
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1 tablespoon finely chopped parsley
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1 8-ounce package premade croissant dough sheet, such as Pillsbury Crescent Dough Sheet
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2 medium onions, thinly sliced
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4 large red bell peppers, thinly sliced
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2 16-ounce packages frozen cooked Italian meatballs, thawed and halved
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3 1/2 cups marinara sauce
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2 cups shredded cheddar cheese
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2 cups shredded mozzarella cheese