INGREDIENTS
8 oz
pasta (like ziti or penne, I used gemelli)
1/2 lb
ground beef
1/2
medium onion, chopped
1
jar spaghetti sauce
1/2 cup
sour cream
6 oz
sliced Provolone
4 oz
shredded or sliced Mozzarella
1/4 cup
grated Parmesan
chopped parsley,optional