INGREDIENTS
3 oz
82% Scharffen Berger Extra Dark Chocolate Bar, chopped
4 tbsp
unsalted butter
1/2 cup
all-purpose flour
1/4 cup
double dutch process cocoa powder
1 tsp
instant espresso powder
1/4 tsp
baking soda
1/4 tsp
salt
3/4 cup granulated sugar
1
large egg
Fleur de Sel (or large-flake sea salt) for topping