Beef Zucchini Casserole
["6 medium zucchini, sliced into 1/2-inch slices", "1/2 c. chopped onion", "1 1/2 lb. ground beef", "1/2 c. dry bread crumbs", "1/4 tsp. garlic powder", "3/4 tsp. salt", "1/4 tsp. pepper", "1/2 tsp. oregano", "1/4 c. margarine", "1/4 c. flour", "2 c. flour", "2 c. grated Cheddar cheese"]
["Boil zucchini in salted water until tender.", "Drain zucchini. In large skillet, brown onion and ground beef.", "Pour off fat. Stir in bread crumbs, garlic powder, salt, pepper and oregano. Mixture will be dry."]
["zucchini", "onion", "ground beef", "bread crumbs", "garlic powder", "salt", "pepper", "oregano", "margarine", "flour", "flour", "Cheddar cheese"]