INGREDIENTS
1
Egg, large
3/4 cup
All-purpose flour
1 tsp
Baking powder
1/4 tsp
Baking soda
1/2 cup
Brown sugar, packed light
3/4 cup
Cocoa powder, Dutch-process
1/2 cup
Granulated sugar
1/4 tsp
Salt
1 tsp
Vanilla extract
1/2 cup
Coffee
4 tbsp
Butter, unsalted
1/2 cup
Buttermilk
3 pints
Ice cream