-Makes 5 waffles
Sprinkle yeast over warm milk, stir to dissolve. Beat egg yolks and add to yeast mixture with vanilla. Sift in melted butter and combine thoroughly. Beat the egg whites until stiff; carefully fold into batter. Let mixture stand in warm place about 45 minutes or until mixture doubles in bulk. Use 7/8 cup mix per waffle.
From: Glorious Grub Cookbook By. Joan Stewart
Madagascar Vanilla (purchase at Chefs Catalog) Of all the vanilla's I've used this is my favorite. Once you've tried it you won't go back!