Glorious Chicken Casserole
["4 tortillas, cut in strips", "8 oz. cooked chicken (large chunks)", "2 Tbsp. flour", "3 Tbsp. tomato ketchup", "2 c. skim milk", "2 Tbsp. onion flakes", "1 (4 oz.) can diced chilies", "1 tsp. salt", "2 bouillon cubes (chicken)", "1/2 c. canned sliced mushrooms", "4 oz. grated Cheddar cheese"]
["Layer 1/2 tortillas and 1/2 chicken in an 8 x 8-inch dish. Repeat.", "In a saucepan, combine flour, salt, bouillon and ketchup. Blend in milk gradually.", "Heat, stirring, until thickened. Remove from heat.", "Stir in mushrooms, chilies and onion flakes; pour over chicken and tortillas.", "Sprinkle with cheese.", "Cover tightly with foil.", "Refrigerate for 24 hours.", "Bake, covered, at 300\u00b0 for 1 1/2", "hours."]
["tortillas", "chicken", "flour", "tomato ketchup", "milk", "onion flakes", "chilies", "salt", "bouillon cubes", "mushrooms", "Cheddar cheese"]