INGREDIENTS
1 1/2 cups
all-purpose flour
1/2 cup
sugar
1 1/2 tsp
baking powder
1/2 tsp
salt
1/2 cup
unsalted butter softened
1/2 cup
sour cream
1
egg, plus 2 egg yolks, at room temperature
1 tsp
vanilla extract
1/2 cup
cotton candy
1 1/2
to 3 teaspoons heavy cream
1 oz
cotton candy
1/2 cup
unsalted butter softened
4 1/2 cups
confectioners’ sugar
1 1/2 tsp
vanilla extract