Spinach Quiche Appetizer
["1 c. flour", "1 tsp. salt", "1 tsp. baking powder", "2 eggs, beaten", "1 c. milk", "1 stick margarine, melted", "3 c. grated Cheddar cheese", "1/2 c. chopped onion", "1 (8 oz.) pkg. frozen chopped spinach, thawed and well drained"]
["Mix together flour, salt and baking powder.", "In a separate bowl, mix together eggs, milk and margarine.", "Combine with dry ingredients.", "Add cheese, onion and spinach.", "Mix well and pour into 10 x 13-inch dish.", "Bake at 350\u00b0 for 30 to 35 minutes or until golden brown.", "Cut into squares and serve.", "The quiche will not be very thick, about 1/2 to 3/4-inch."]
["flour", "salt", "baking powder", "eggs", "milk", "margarine", "Cheddar cheese", "onion"]