Tuna Casserole
["1 medium onion", "1 Tbsp. shortening", "1 can cream of celery soup", "1/2 c. milk", "1 (7 oz.) can tuna, drained and flaked", "1/2 c. cooked peas", "1 c. noodles, cooked and drained"]
["Lightly", "brown", "chopped", "onion", "in", "shortening.", "Pour in cream of celery soup and other ingredients.", "Pour mixture into a 1 quart", "casserole.", "Top with 1/2 cup shredded cheese.", "Bake in moderate oven at 375\u00b0 about 25 minutes."]
["onion", "shortening", "cream of celery soup", "milk", "tuna", "peas", "noodles"]