Sour Creamed Green Beans(Serves 4 To 6)  
["1 onion, sliced thin", "1/4 c. margarine", "2 (10 oz.) pkg. green beans, thawed and drained", "1 c. sour cream", "1/4 c. flour", "1 1/2 tsp. salt", "1/4 tsp. pepper", "1 c. (4 oz.) shredded Cheddar cheese", "1 c. bread crumbs", "1/4 c. margarine, melted"]
["Saute onion in 1/4 cup margarine.", "Combine sauteed onion, green beans, sour cream, flour, salt and pepper; mix lightly. Pour into greased, 1 1/2-quart casserole.", "Sprinkle with cheese. Top with bread crumbs, tossed with 1/4 cup melted margarine.", "Bake at 350\u00b0 for 25 minutes."]
["onion", "margarine", "green beans", "sour cream", "flour", "salt", "pepper", "Cheddar cheese", "bread crumbs", "margarine"]