INGREDIENTS
1
large egg
1/2 cup
unsalted butter (1 stick), softened
1/2 cup
granulated sugar
1/2 cup
light brown sugar, packed
2 tsp
vanilla extract
1 3/4 cups
cups cake flour, see directions (no substitutions, I used Swans Down)
2 tsp
cornstach
1/4 tsp
baking powder
1/4
teaspoon baking soda
salt, optional and to taste
up to 1 1/2 cups sprinkles (reduce to 1 cup if you don’t love sprinkles; I used 1 cup of larger jimmies and 1/2 cup minuscule nonpareils)