Cheese And Pasta - cooking recipe

Ingredients

2 lb. lean ground beef
2 medium onions, chopped
1 clove garlic (may use 1/4 tsp. powder)
1 (14 oz.) jar spaghetti sauce
1 lb. can stewed tomatoes
1 (4 oz.) can sliced mushrooms
1 lb. box macaroni shells
1 1/2 pt. sour cream
1 (8 oz.) pkg. Provolone cheese
1 (8 oz.) pkg. Mozzarella cheese

Preparation

Cook beef in 2 tablespoons oil and drain well.
Add onions, spaghetti sauce, tomatoes and undrained mushrooms.
Mix and simmer 20 minutes.
Meanwhile, cook shells; drain and rinse.