INGREDIENTS
5 ozs
chocolate
2 1/4 cups
flour
1/2 cup
dutch-process cocoa powder
1 tsp
baking powder
1/4 tsp
baking soda
3/4
buttermilk
3/4 cup
coffee
1 tsp
vanilla extract
1/2 cup
butter
1 1/2 cups
sugar
1/2 tsp
kosher salt
4 larges
eggs
1/3 cup
kahlúa
3/4 cup
hazelnuts
6 ozs
chocolate
1/3 cup
kahlúa
1/4 cup
heavy cream
1/2 cup
confectioners' sugar
1 cup
butter
1
1 serving
buttercream