Very Tasty Spaghetti Sauce
["1/4 c. olive oil", "6 onions, chopped", "2 green peppers, chopped", "2 c. chopped celery", "8 oz. fresh mushrooms", "12 cloves garlic, chopped", "2 lb. ground beef", "7 lb. tomatoes (fresh or canned)", "26 oz. tomato paste", "6 c. (48 oz.) tomato juice", "2 to 3 Tbsp. oregano", "4 tsp. basil", "7 medium bay leaves", "2 tsp. salt", "dash of pepper", "2 to 3 Tbsp. flour"]
["Pour a thin layer of oil into an 8 to 10-quart pot.", "Add the onions, peppers, celery and mushrooms.", "Using medium heat, saute until tender.", "Add garlic; simmer a few moments more.", "Remove mixture to a bowl.", "Brown the meat in the pot.", "Add remaining ingredients, except flour.", "Bring to a boil.", "Reduce heat and simmer, uncovered, for 1 hour.", "Remove tomato cores and bay leaves, if possible."]
["olive oil", "onions", "green peppers", "celery", "fresh mushrooms", "garlic", "ground beef", "tomatoes", "tomato paste", "tomato juice", "oregano", "basil", "bay leaves", "salt", "pepper", "flour"]