INGREDIENTS
1/3 cup
granulated sugar
1 1/2 cups
plus 2 tbsp. all-purpose flour
3/4 cup
unsweetened cocoa powder
1/2 tsp
baking soda
1/4 tsp
baking powder
14 tbsp
unsalted butter
1 3/4 cups
packed dark brown sugar
1 tbsp
vanilla extract
1/2 tsp
salt
1
large egg plus 1 large yolk