Spinach Squares
["1 c. all-purpose flour", "1 tsp. salt", "1 tsp. baking powder", "2 eggs, beaten", "1 c. milk", "1/4 c. melted oleo", "1/2 c. chopped onion", "1 lb. shredded Cheddar cheese", "1 (10 oz.) pkg. frozen chopped spinach, drained"]
["In a large bowl, combine flour, salt and baking powder.", "Stir in beaten eggs, milk and oleo.", "Add remaining ingredients and stir until moistened.", "Pour into a lightly greased 9 x 13-inch pan. Bake at 350\u00b0 for 35 minutes.", "Cut into small squares.", "Can be made ahead, frozen and reheated."]
["flour", "salt", "baking powder", "eggs", "milk", "oleo", "onion", "Cheddar cheese"]