Beat vigorously with spoon for two minutes by clock (about 150 strokes per minute). You may rest a moment when beating by hand;just count actual beating time or strokes.
Or mix with electric mixer on medium speed (middle of dial) for two minutes. Scrape sides and bottom of bowl constantly.
Add 1/2 cup egg whites (4) Continue beating two more minutes, scraping bowl constantly.
Fold in 2/3 cup shredded coconut.
Pour batter into prepared pans. (Batter may appear curdled.) Bake 25-30 minutes in moderate oven (
350 degrees F.) When cake is cool, frost with Creamy Pineapple Icing.