1 (9 inch) frozen pie shell
1 (10 oz.) pkg. frozen chopped spinach
8 oz. Cheddar cheese, shredded
16 oz. sm. curd cottage cheese
1 med. onion, chopped
3 eggs, beaten
3 tbsp. flour
3 tbsp. butter

Melt butter in large saucepan; add flour to thicken. Add beaten eggs and stir constantly to form a thick custard. Remove from heat. Add spinach and onion (spinach should be thawed and squeezed dry - do not cook). Add the Cheddar cheese and cottage cheese. Pour into unbaked pie shell. Bake for 1 hour at 350 degrees.