INGREDIENTS
3 1/2 cups
all-purpose flour
1/4 tsp
salt
1 1/4 tsp
baking powder
1 1/4 tsp
baking soda
3/4 cup
dark cocoa powder
1 cup
brewed coffee
2 cups
firmly packed light brown sugar
3/4 cup
canola oil
1
large egg
1 tsp
vanilla extract
1/2 cup
buttermilk (shaken)
5
large egg whites
1 1/2 cups
white sugar
2 cups
unsalted butter (, cut into 1/2 inch cubes, cool but not cold)
1/4 tsp
salt
1 tsp
vanilla extract