INGREDIENTS
1/2 cup
unsalted butter
3/4 cup
dark or dutch process cocoa powder, sifted
1/2 cup
packed light brown sugar
1/2 cup
granulated sugar
2
large eggs
1 tsp
vanilla extract
1/2 tsp
kosher or fine sea salt
1/2 cup
all-purpose flour
1/2 tsp
unflavored gelatin
4 oz
dark or bittersweet chocolate, shaved or very finely chopped
1 cup
heavy cream, divided
1 tsp
instant espresso powder
1 tbsp
granulated sugar