Italian Spaghetti Sauce
["1/2 c. onion slices", "2 Tbsp. olive oil", "1 lb. ground beef", "2 cloves garlic, minced", "2 (1 lb.) cans (4 c.) tomatoes", "2 (8 oz.) cans (2 c.) seasoned tomato sauce", "1 (3 oz.) can boiled sliced mushrooms", "1/4 c. chopped parsley", "1 1/2 tsp. oregano or sage", "1 tsp. salt", "1/4 tsp. thyme", "1/2 tsp. monosodium glutamate", "1 bay leaf", "1 c. water"]
["Cook onion in hot oil until golden.", "Add meat and garlic; brown lightly.", "Add remaining ingredients; simmer, uncovered, 2 to 2 1/2 hours or until thick.", "Remove bay leaf.", "Serve on hot cooked spaghetti.", "Pass bowl of grated Parmesan cheese.", "Makes 6 servings."]
["onion", "olive oil", "ground beef", "garlic", "tomatoes", "tomato sauce", "mushrooms", "parsley", "oregano", "salt", "thyme", "monosodium glutamate", "bay leaf", "water"]