Green Bean Casserole
["2 pkg. French green beans", "2 Tbsp. minced onion", "2 Tbsp. butter", "1 Tbsp. flour", "1 c. milk", "1 tsp. sugar", "1/2 c. grated cheese", "1 c. sour cream", "corn flakes"]
["Saute onion in butter.", "Add flour and milk as for white sauce. Add sugar and cheese; let cheese melt.", "Blend in sour cream.", "Mix part of this mixture with drained beans.", "Put in casserole dish; pour remaining sauce on top.", "Cover with crushed corn flakes; dot with butter.", "Bake at 400\u00b0 for 15 minutes.", "Heat thoroughly."]
["beans", "onion", "butter", "flour", "milk", "sugar", "grated cheese", "sour cream", "corn flakes"]