Spinach Squares
["2 pkg. frozen, chopped spinach", "4 Tbsp. margarine", "3 eggs", "1 c. flour", "1 c. milk", "1 tsp. baking powder", "1 lb. sharp Cheddar cheese, grated", "bread crumbs", "1 Tbsp. chopped onion (optional)", "seasoning salt (optional)"]
["Melt butter in a 9 x 13-inch pan.", "In a large bowl, beat eggs well.", "Add flour, milk and baking powder.", "Mix well.", "Add cheese, cooked spinach (well drained) and onion.", "Spoon into baking dish. Level off.", "Top with bread crumbs.", "Bake 35 minutes at 350\u00b0.", "Let cool 45 minutes.", "Serves 6."]
["frozen", "margarine", "eggs", "flour", "milk", "baking powder", "Cheddar cheese", "bread crumbs", "onion", "salt"]