Summer Squash Casserole (Zucchini) Recipe

In a saucepan; cook sliced squash, carrots and onion in boiling salt water for 5 minutes. Drain. Combine soup and sour cream. Stir into vegetable mixture. Combine stuffing mix and butter. Spread 1/2 of stuffing mixture in bottom of 9 x 13" pan. Spoon vegetable mixture on top and sprinkle with rest of stuffing mix. Bake at 350° for 25-30 minutes or until heated through.