Vegetarian Spaghetti Sauce

2 Tbsp olive oil
2 small onions, chopped
3 cloves garlic, chopped
1 1/4 cups zucchini, sliced
1 Tbsp oregano, dried
1 Tbsp basil, dried
1 8 oz can tomato sauce
1 6 oz can tomato paste*
2 medium tomatoes, chopped
1 cup water

1. In a medium skillet, heat oil. Sauté onions, garlic, and zucchini in oil for 5 minutes on medium heat.
2. Add remaining ingredients and simmer covered for 45 minutes. Serve over spaghetti.

* To reduce sodium, use a 6-oz can of low-sodium tomato paste.