Directions

1. 1. Preheat oven to 375 degrees F. Butter and flour a 9 inch round cake pan with 1 1/2 inch high sides. Line bottom of pan with waxed paper.
2. 2. Finely grind almonds with two tablespoons sugar in a food processor.
3. 3. Combine yolks, two tablespoons sugar, lemon peel, cinnamon and salt in medium bowl. Using an electric mixer beat until thick and smooth, about two minutes.
4. 4. Stir in almond mixture. Using clean beaters, beat egg whites in a large bowl until soft peaks form.
5. 5. Gradually add four tablespoons sugar, beating until stiff but not dry. Fold large spoonful of whites into almond mixture. Gently fold in remaining whites.
6. 6. Transfer batter to pan. Bake for about 35 minutes or until tester inserted into center comes out clean.
7. 7. Cool in pan on rack. Turn out onto platter. Remove waxed paper.
8. 8. Cut into 8 slices.