Skillet Squash Au Gratin
["1/4 c. butter or margarine", "4 c. thinly sliced summer squash or zucchini", "1 sliced onion", "1 tsp. salt", "speck of pepper", "1/4 c. water or 2 tomatoes, sliced or peeled", "1/2 c. grated process Cheddar cheese", "soy sauce (optional)"]
["Melt butter in skillet.", "Add summer squash, onion, salt, pepper and water.", "Cook, covered, 12 minutes or until tender. Sprinkle with cheese and a little soy sauce, if desired.", "Makes 4 servings."]
["butter", "zucchini", "onion", "salt", "speck of pepper", "water", "Cheddar cheese", "soy sauce"]