Meat Sauce

1 small onion, chopped
1 lb. ground beef
2 (8 02.) cans tomato sauce
2 (#303) cans tomatoes
2 tsp. salt
1/2 tsp. pepper
2 tsp. Worcestershire sauce

Brown onion in a little hot fat over medium heat. Add beef; brown. Mix in tomato sauce. Stir in remaining ingredients, cover tightly and simmer 40 minutes, stirring occasionally. Uncover. Simmer 15 minutes more. Serve on bed of spaghetti.