Sift together flour, salt and baking powder. Beat 3 egg whites until foamy and add powdered sugar beating until stiff. Set aside. Cream butter and sugar and add egg yolk, beating well. Add lemon juice and rind, dry ingredients and nuts. Fold in egg whites.
Pour into greased 9x13-inchpan.
Bake at 400 degrees F for 25-30 minutes. Cool and cut into square.
Calories From Fat
% Daily Value*
Total Fat 0g
Saturated Fat 0g
Trans Fat 0g
Dietary Fibers 0g
* Percent Daily Values are based on a 2,000 calorie diet.
* Nutrition information is estimated based on the ingredients and cooking instructions as described in each recipe and is intended to be used for informational purposes only. Please note that nutrition details may vary based on methods of preparation, origin and freshness of ingredients used.