Green Beans Supreme
["1 lb. frozen French-style green beans", "1 small onion, sliced", "1 Tbsp. snipped parsley", "3 Tbsp. butter", "2 Tbsp. all-purpose flour", "1/2 tsp. finely shredded lemon peel", "1/2 c. milk", "1 c. sour cream", "1/2 c. shredded American cheese", "1/4 c. fine bread crumbs"]
["Cook green beans; drain.", "Cook onion and parsley in butter until onion is tender.", "Blend in flour, lemon peel, 1/2 teaspoon salt and dash of pepper.", "Add milk, cook and stir until thickened and bubbly.", "Stir in sour cream and cooked beans; heat until just bubbly.", "Spoon into 1-quart casserole.", "Sprinkle with cheese.", "Melt the remaining butter; toss with bread crumbs and sprinkle over beans.", "Broil 4 to 5 inches from heat until cheese melts and crumbs brown, 1 to 2 minutes."]
["green beans", "onion", "parsley", "butter", "flour", "lemon peel", "milk", "sour cream", "American cheese", "bread crumbs"]