Tomato Sauce recipe

Tomato Sauce
Ingredients:

1/4 cup chopped onion
1 clove garlic, minced
2 tablespoons butter
1/4 cup grated cheese
1 cup mushrooms, sliced
No 2-1/2 can Italian Tomatoes
2 6 oz cans tomato paste
1-1/2 teaspoon salt
1 teaspoon sugar
1/2 teaspoon oregano
1/4 cup chopped parsley
1/2 teaspoon baking soda

Directions:
Saute onion and garlic in butter for 5 minutes. Crush tomatoes into medium pieces. Add all ingredients except baking soda, mushrooms, and meat balls. Simmer in covered saucepan for one hour. Stir sauce often and keep heat low. Add browned meatballs and simmer 30 minutes. During last 15 minutes add mushrooms. During last 10 minutes add baking soda. If sauce is too thick, add water. If sauce is too thin, cook uncovered for 15 minutes.