Yellow Crookneck Squash Puff Casserole
["2 lb. yellow squash", "1/2 c. Pet milk", "2 c. soft bread crumbs (Townhouse or saltine crackers)", "1 tsp. salt", "1 tsp. grated onion", "1/4 tsp. pepper", "1 c. grated sharp Cheddar cheese", "2 eggs, separated"]
["Slice squash; cook in small amount of water until tender. Drain; mash.", "Mix all ingredients except egg whites.", "Fold in beaten egg whites lightly.", "Turn into baking dish.", "Set dish in pan of hot water.", "Bake at 350\u00b0 for 30 minutes until set.", "Yields 6 servings."]
["yellow squash", "Pet milk", "bread crumbs", "salt", "onion", "pepper", "Cheddar cheese", "eggs"]