Spinach Squares
["2 (10 oz.) pkg. fresh spinach", "4 Tbsp. soft butter or margarine", "1 c. flour", "1 tsp. salt", "1 tsp. baking powder", "1 lb. shredded Cheddar cheese", "3 eggs", "1 c. milk", "1/2 c. chopped onion"]
["Wash, cook and drain spinach well.", "In a large bowl, beat eggs. Add butter, flour, milk, salt and baking powder.", "Mix well.", "Stir in cheese, onion and spinach.", "Spoon mixture into greased 9 x 13-inch pan and level off.", "Bake at 350\u00b0 for 35 minutes.", "Remove from oven and cool off for 45 minutes.", "Cut into bite size squares. These freeze well.", "Can defrost and reheat for 15 minutes or until hot."]
["fresh spinach", "butter", "flour", "salt", "baking powder", "Cheddar cheese", "eggs", "milk", "onion"]