INGREDIENTS
1 tbsp
unsweetened cocoa powder
2 cups
all-purpose flour
1 tsp
baking soda
1/2 tsp
salt
3 oz
unsweetened chocolate, chopped
2 oz
sweet baking chocolate, chopped
1/4 cup
instant coffee crystals or instant espresso coffee powder
2 tbsp
boiling water
1/2 cup
bourbon
1 cup
unsalted butter, softened
2 cups
sugar
3
eggs
1 1/2 tsp
vanilla
2 tbsp
bourbon
2 tbsp
bourbon
1 cup
semisweet chocolate pieces
1/4 cup
butter
1/2 cup
sour cream
2 1/2 cups
powdered sugar, sifted
4
egg yolks
1 cup
butter
1/2 cup
sugar
1/4 cup
whiskey or milk
Hot water