Lemon Pudding Cake

Yield:	9 Servings
Categories:	Cakes, Desserts

4		Egg whites
2		Egg yolks
2	ts	Lemon peel, finely shredded
1/3	c	Lemon juice
1	tb	Margarine, melted
2/3	c	Sugar
1/3	c	All-purpose flour
1/4	ts	Salt
1 1/2	c	Skim milk
		Vanilla frozen yogurt or ice milk, optional