Diabetic Coconut Cake Recipe


Yield: One 3-layer 9-inch cake



  • 1 1/2 cup cake flour
  • 2 cups whole-wheat pastry flour
  • 4 tsp baking powder
  • 1 tsp salt
  • 1 cup shortening
  • 1 cup sugar
  • 1 cup Splenda®
  • 8 egg whites
  • 1 cup lowfat milk
  • 1 tsp vanilla extract
  • 1/4 tsp almond extract
  • 2 fresh coconuts or about 2 cups dry, grated unsweetened coconut.
  • 1/4 cup coconut water
  • 1/3 cup sifted powdered sugar


  • 1/2 c. water
  • 3 c. sugar
  • 1/4 c. white corn syrup
  • 4 egg whites
  • 1/2 tsp. cream of tartar
  • 1 tsp. almond extract
  • 1 tsp. vanilla extract


  1. Heat oven to 350 degrees.
  2. Grease three 9-inch cake pans.
  3. Sift flour
  4. Measure and place in sifter, add baking powder, and salt; sift again.
  5. Set aside sifted dry ingredients.
  6. Cream shortening until fluffy
  7. Add sugar a little at a time until all is used.
  8. Add egg whites one at a time and beat until fluffy.
  9. Add dry ingredients to wet mixture alternately with milk, a little at a time, beginning and ending with dry ingredients.
  10. Add extracts and beat 2 minutes on medium speed.
  11. Divide into prepared pans and bake 25 to 30 minutes.

Coconut wash and Frosting

  1. Grate the fresh coconuts; save the water for brushing cake layers.
  2. Brush cake layers with mixture of the coconut water and powdered sugar (Plain coconut water will make a soggy cake!)
  1. Over medium heat, stir together water, sugar, and syrup until sugar is dissolved.
  2. Cook to 238 degrees (or 240 degrees on a damp day).
  3. In mixing bowl beat egg whites until frothy. Add cream of tartar; beat whites until stiff.
  4. Pour syrup over whites gradually and beat until smooth.
  5. Add extracts and enough sifted powdered sugar (about 1 cup) to make desired consistency.
  6. Pile icing on cake layers and finish with swirls on top and side.
  7. Sprinkle fresh grated coconut on each layer after icing and sprinkle more generously on top and side of cake.

The beautiful BOILED ICING recipe came from Mary Katherine Hammer.

This cake and icing is a prize winner! Delicious with Boiled Custard, Eggnog, hot tea or coffee. Serves 16-20.

Photo by Stu Spivack

Recipe reviewed by Dietitian Kimberly A. Tessmer, RD LD

In the event that you find that this recipe is not appropriate for diabetics, please contact us and and we will review your suggestions.