INGREDIENTS
2 1/2 cups
all-purpose flour
2 1/4 cups
packed light brown sugar, divided
3 tsp
baking powder
1 tsp
baking soda
1/2 tsp
salt
1 cup
chocolate chips
2 tbsp
unsalted butter
2 oz
unsweetened chocolate
2 cups
buttermilk
1 tsp
vanilla extract
1/2 cup
plus 2 tablespoons unsweetened cocoa (we use Dutch processed cocoa)
2 1/2 cups
boiling water