1 tbsp. oil
1 lg. onion
1 (10 oz.) frozen spinach, thawed, squeeze excess water
5 eggs, beaten
3/4 lb. Muenster cheese, grated or mixed Cheddar and Mozzarella
Pinch of salt
Fresh ground pepper

Butter 9-inch pie plate. Saute onion. Add other ingredients. Bake at 350 degrees for 40-45 minutes. Add grated cheese or Mozzarella on top.