Tuna Casserole
["1 c. cooked elbow macaroni", "1/2 c. chopped onion", "1/4 c. chopped green pepper", "3 Tbsp. butter or margarine", "2 Tbsp. flour", "1 1/4 c. milk", "1/4 c. chopped pimento (optional)", "1 (10 1/2 oz.) can cream of mushroom soup", "1 (6 1/2 oz.) can tuna"]
["Cook macaroni according to directions; then drain.", "Cook onion and pepper (optional) in butter or margarine until tender.", "Add flour and blend.", "Add milk.", "Cook over low heat until thick; stir constantly.", "Add pimento, soup and tuna.", "Stir together.", "Pour into greased 1 1/2-quart casserole dish.", "Bake at 350\u00b0 for 30 minutes."]
["macaroni", "onion", "green pepper", "butter", "flour", "milk", "pimento", "cream of mushroom soup", "tuna"]