INGREDIENTS
1 cup
granulated sugar
1/2 cup
brown sugar
1/2 cup
unsalted butter, at room temperature
2 tsp
vanilla extract
2
large eggs
1/2 cup
all-purpose flour
1/4 cup
cake flour
1/2 cup
unsweetened cocoa
1/4 tsp
salt
1/2 cup
semi-sweet chocolate (about 2 ounces) finely chopped