Easy Deep Dish Pasta

Ingredients

• 2 lb. ground chuck
• 1 clove garlic, crushed or equivalent
• 2 medium onions, chopped
• 1 (15 1/2 oz.) jar Ragu spaghetti sauce
• 1 (1 lb.) can stewed tomatoes
• 2 (3 oz.) cans mushrooms
• 1 (8 oz.) pkg. small macaroni shells
• 1 1/2 pt. sour cream
• 1/2 lb. Provolone cheese
• 1/2 lb. Mozzarella cheese