Flour-less Walnut Cake

Description
Contributed by Paula in California at Catsrecipes Y-Group

Ingredients

 * ¾ pound walnuts; ground finely
 * 4 large eggs; separated
 * ½ pound sugar
 * 2 teaspoons grated lemon zest

Garnish

 * powdered sugar
 * cocoa
 * fresh berries

Directions

 * 1) Beat the egg yolks and sugar together until light and fluffy, about 4 minutes with an electric mixer.
 * 2) Stir in lemon zest.
 * 3) In a separate bowl, beat egg whites until stiff.
 * 4) Fold a quarter of the whites into the egg mixture to loosen it.
 * 5) Stir walnuts into mixture until thoroughly blended, fold in remaining egg whites carefully to maintain light texture.
 * 6) Pour batter into a lightly buttered and floured 8-inch cake pan and bake in a preheated 375°F oven for 55 – 60 minutes or until firm and golden brown.
 * 7) Cool cake on a rack before turning out and then alternately dust with powdered sugar and cocoa.
 * 8) Slice and serve with fresh berries.