INGREDIENTS
6 oz
unsalted butter, softened
3 1/2 oz
powdered sugar
1
egg
salt
1 oz
Dutch-processed cocoa powder, sifted
8 1/2 oz
all-purpose flour
10 oz
bittersweet (60-70%) chocolate, finely chopped
1/4 tsp
salt
1/3 cup
bourbon
3/4 cup
sugar
13 tbsp
unsalted butter, cut into small pieces, at room temperature
4
large eggs, at room temperature