3 tbsp. butter
3 tbsp. flour
2 tsp. grated onion
3/4 tsp. salt
1/8 tsp. pepper
1/8 tsp. nutmeg
1 c. milk
1 pkg. frozen chopped spinach
3 eggs, separated

Melt butter in top of double boiler over direct heat. Blend in flour, onion, salt, pepper, and nutmeg. Stir in milk. Cook over direct heat, stirring constantly, until mixture thickens and boils. Add spinach, cover and place over boiling water and heat until completely thawed. Beat egg whites until stiff enough to form soft peaks. Beat egg yolks until blended. Slowly stir in heated spinach mixture into a buttered 6 cup casserole. Bake in a slow 300 degree oven for about 35 minutes or until a knife inserted in center comes out clean. Makes 8 servings.