INGREDIENTS
1 cup
(4 1/4 ounces/120 grams) all-purpose flour (preferably bleached)
2 tbsp
(3/4 ounce/22 grams) potato starch
1/2 tsp
baking powder
1/4 tsp
baking soda
1/4 tsp
salt
2
large eggs, separated
3/4 cup
buttermilk
2 tbsp
vegetable oil
1 tsp
vanilla extract
2 tbsp
granulated sugar
non-stick cooking spray