1 tbsp. vegetable oil
4 eggs
1 (10 oz.) pkg. frozen, chopped spinach, thawed
1 large onion, chopped
8 oz. Muenster cheese, grated
salt and pepper, to taste

Thaw spinach and squeeze all water out. Saute onion in oil. Add spinach. Cook until all moisture is out. Beat eggs real good. Add cheese to spinach mixture. Pour into lightly sprayed 10-inch dish. Bake at 350°F for 45 minutes.