Spicy Italian Sausage Penne

1 lb. Hot Ground Italian Sausage
4-5 cups marinara sauce
6 cups penne pasta
3-4 cups mozzarella cheese

Cook sausage in frying pan
Pour in Prego sauce and mix together
Start boiling penne at about the same time
Put penne in Pyrex 9x13 pan and mix in cooked sausage/sauce Sprinkle mozzarella cheese on top
Cook until cheese is melted (10-15 minutes)