Summer Squash Casserole
["2 lb. yellow summer squash, sliced (6 c.)", "1/4 c. chopped onion", "1 can cream of mushroom soup", "1 c. sour cream (yogurt)", "1 c. shredded carrots", "1 (8 oz.) pkg. herb seasoned stuffing mix", "1/2 c. margarine, melted"]
["Cook sliced squash and onions in boiling water (salted) for 5 minutes; drain.", "Combine soup and yogurt; stir in carrots.", "Fold in drained squash and onions.", "Combine stuffing mix and margarine. Spread half of mixture on bottom of 12 x 7 x 2-inch baking dish. Spoon vegetable mixture on top.", "Sprinkle remaining stuffing mix over vegetables.", "Bake at 350\u00b0 for 25 to 30 minutes or until heated through."]
["yellow summer squash", "onion", "cream of mushroom soup", "sour cream", "carrots", "herb seasoned stuffing mix", "margarine"]