1 c. flour
1 tsp salt
1 tsp. baking powder
1 c. milk
1/2 c. butter, melted
2 lg. eggs, beaten
1/2 c. onion, minced
10 oz. Cheddar cheese, shredded
1 pkg. (10 oz.) frozen spinach, cooked, squeezed

Heat oven to 350 degrees. Grease 9 inch square pan. Mix ingredients together and pour into pan. Bake 30 minutes. Cut into squares and serve. May be made ahead of time and reheated. Yields 8-10 servings.