Italian Sausage Spaghetti Sauce

This recipe is originally from "Once A Month Cooking". 

1 lb bulk Italian sausage (mild)
1 lb hamburger 
1-1/2 cups finely chopped onion
12 oz tomato paste
84 oz diced / pureed tomatoes
2 cups water
1 T minced garlic
4 bay leaves
2 T sugar
1 T dried basil
2 t oregano
1 T chopped fresh parsley
2 t salt

Brown the sausage and onion (drain fat), add the rest, bring to boil, reduce heat, simmer for an hour.

This makes a lot of sauce.  Approx 9 cups.