INGREDIENTS
1 cup flour
1/3 cup Hale grapefruit juice
¾ cups sugar
4 egg whites
1 ½ teaspoons baking powder
¼ teaspoon cream of tartar
¼ cup oil
½ teaspoon vanilla
3 egg yolks
PREPARATION
In a large mixer bowl stir together flour, granulated sugar, baking powder, and salt. Make a well in center of dry ingredients. Add (in order): oil, egg yolks, grapefruit peel, and grapefruit juice. Beat smooth with electric mixer. In a medium mixer bowl beat egg whites with cream of tartar till very stiff peaks form (tips stand straight). Scrape the whites over the flour mixture and fold in gently. Pour into ungreased 9x5x3 – inch loaf pan. Bake in 350 degree oven for 23 to 30 minutes or till cake tests done. Invert; cool in pan completely. Loosen edges of cake and remove from pan.
Icing
1 to 2 tablespoons of grapefruit juice
1 ½ teaspoons grated grapefruit peel
1 cup confectioners’ sugar
½ teaspoon vanilla
Combine all the ingredients to make icing of drizzling consistency. Spread over top of cake; allow some icing to drizzle down the sides.