4 tbsp. butter
3-4 eggs
1 c. flour
1 c. milk
1 tsp. salt
1 tsp. baking powder
1 lb. Monterey Jack or Cheddar cheese, grated
2 pkg. drained & thawed spinach
Onion

Combine all ingredients and place in 9 x 13 inch pan that has been buttered. Bake at 350 degrees for 35 minutes. Cool and cut. May be frozen.