6 egg yolks
6 egg whites
1 1/4 cups sugar
2 tsp. lemon juice
1 tsp. lemon rind, grated
1/4 tsp. salt
1/4 cup potato flour
1/2 cup matzah meal
Beat the egg yolks; gradually add the sugar. Beat them together until thick and light in color. Stir in the lemon juice and rind.
Beat the egg whites until stiff, but not dry. Pile them on top of the egg yolk mixture. Sift the flour and matzoh meal over it all and fold together very carefully.
Turn the mixture into an ungreased 10-inch tube pan and bake at 325˚ for 50 minutes.
Invert and let cool.