You can also use a teaspoon of lemon juice in place of the cream of tartar. Each will help the egg whites whisk up better. It is also possible to make without this ingredient. You can substitute other flavours for the vanilla if you prefer.
Very light and delicious, lovely vanilla flavor, and so adorable sitting on a tray together. - 17 Oct 2014
100% worth the time! - 13 Oct 2016 (Review from Allrecipes AU | NZ)