4 tbsp. butter
2 eggs
1 c. flour
1 c. milk
1 tsp. salt
1 tsp. baking powder
1 lb. Cheddar cheese, grated
1 (10 oz.) pkg. frozen, chopped spinach, thawed & drained
1 sm. onion, chopped
9 x 13 inch pan

Melt the butter. Mix the remaining ingredients together and pour into pan. Bake at 350 degrees for 35 minutes. Cool slightly before cutting into squares. Can be served hot or cold.