Shell Lasagne - cooking recipe

Ingredients

1 lb. shell macaroni
1 tsp. salt
1 pt. sour cream
16 oz. shredded Provolone cheese
2 lb. ground beef
1 qt. spaghetti or marinara sauce
1/2 tsp. pepper
16 oz. Mozzarella cheese

Preparation

Cook shells; drain.
Brown ground beef; drain.
Add salt and pepper.
Stir in spaghetti sauce.
Simmer 20 minutes.