In another bowl, whisk the egg whites until soft peaks.
Add the egg yolks and apple cider vinegar and continue whisking.
Fold the egg mixture into the dry ingredients and gently mix.
Add the water a bit at a time to make a dough. It should not be too sticky or too stiff.
Using wet hands to make 6 bun shapes. Place these buns on a parchment lined baking tray.
Sprinkle the sesame seeds over the buns. (or use another seed or topping),
Bake at 180C/350F degrees for 40-50 minutes until golden and the bottom is firm.
Any nutritional analysis on the website is based on an estimate, calculated by http://nutritiondata.self.com from the individual ingredients in each recipe. Variations may occur for various reasons, including product availability and food preparation. We make no representation or warranty of the accuracy of this information.