INGREDIENTS
1 cup
flour
3/4 cup
dutch-process cocoa powder
3/4 tsp
kosher salt
1/2 tsp
baking powder
1/2 tsp
baking soda
10 tbsp
butter
3/4 cup
brown sugar
2/3 cup
granulated sugar
1 large
egg
2 tsp
vanilla extract
2 cups
bittersweet chocolate discs