INGREDIENTS
14 tbsp
butter (1 3/4 sticks)
1/4 cup
granulated sugar
2 cups
packed dark brown sugar, divided
2 cups
unbleached all-purpose flour plus 2 tablespoons
1/2 tsp
baking soda
1/4 tsp
baking powder
1/4 tsp
table salt
1
large egg
1
large egg yolk
1 tbsp
vanilla extract