INGREDIENTS
1 1/2 cups
all-purpose flour
1 1/2 cups
superfine sugar
1 cup
dark Dutch-process cocoa powder
2 tsp
baking soda
1 tsp
baking powder
1 tsp
salt
1 cup
buttermilk, room temperature
2/3 cup
coffee, hot
1/4 cup
+ 2 tablespoons (90ml) vegetable oil
1 tbsp
pure vanilla extract
2
whole eggs, room temperature
6
egg whites
1 1/2 cups
superfine sugar
1 1/2 tbsp
light corn syrup
1 pinch
cream of tartar
1 1/2 tsp
vanilla bean paste of pure vanilla extract