Peperonata
["2 medium onions, sliced", "3 medium green peppers, cut in strips", "1 tsp. basil leaves", "1/2 tsp. salt", "2 medium tomatoes, coarsely chopped (about 2 c.)", "ripe olives", "2 Tbsp. vegetable oil", "1 tsp. red wine vinegar", "1/4 tsp. pepper"]
["Cook and stir onions in oil in 10-inch skillet until tender; add remaining ingredients except tomatoes.", "Cover and cook over low heat for 10 minutes.", "Add tomatoes; cover and simmer until green pepper is tender, about 5 minutes.", "Garnish with ripe olives."]
["onions", "green peppers", "basil", "salt", "tomatoes", "olives", "vegetable oil", "red wine vinegar", "pepper"]