Italian Casserole - cooking recipe

Ingredients

2 lb. ground beef
1/2 medium onion, chopped
1 garlic clove, minced
1 (15 1/2 oz.) jar spaghetti sauce with meat
1 (16 oz.) can stewed tomatoes
1 (3 oz.) can mushrooms, drained
2 c. uncooked large shell macaroni
2 c. sour cream
1 (6 oz.) pkg. Provolone cheese slices
1 c. (4 oz.) shredded Mozzarella cheese

Preparation

Brown ground beef in skillet.
Drain.
Add onions, garlic, spaghetti sauce, tomatoes and mushrooms.
Mix well.
Simmer 20 minutes.