""I got this recipe from my aunt a long time ago, and it is still a huge hit with anyone I make it for. Serve with an extra side of hot spaghetti sauce, a green salad, and garlic bread."..."
INGREDIENTS
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1 pound spaghetti
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1/4 cup butter
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1/2 cup Parmesan cheese, or to taste
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1 (16 ounce) container sour cream, divided
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1 (28 ounce) jar spaghetti sauce (such as Ragu® Meat)), divided
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1 (8 ounce) package shredded mozzarella cheese, divided