Zucchini Creole
["1 onion, sliced", "3 tomatoes, peeled and quartered or 1 medium can stewed tomatoes", "3 or 4 zucchini, wash and sliced (do not peel)", "salt and pepper to taste", "oregano to taste"]
["Simmer onion in butter in skillet.", "Add tomatoes and squash. Cover.", "Cook until tender, about 10 to 15 minutes.", "Season and serve."]
["onion", "tomatoes", "zucchini", "salt", "oregano"]