4 tbsp. butter
3 eggs
1 c. flour
1 c. milk
1 tsp. salt
1 tsp. baking powder
1 lb. mild Cheddar cheese, grated
1 tbsp. chopped onion
2 pkg. frozen chopped spinach, thawed and drained

Preheat oven to 350 degrees. Melt butter in a 9x13 inch pan in oven. Remove when melted. Beat eggs well, add flour, milk, salt and baking powder and mix well. Add spinach, cheese and onions and mix. Spoon into dish and level. Bake 35 to 45 minutes. Allow to cool before cutting.