INGREDIENTS
For the bottom layer:
6 tbsp
unsalted butter, cut into 6 pieces (plus extra for greasing the pan)
7 oz
bittersweet chocolate, finely chopped
3/4 tsp
instant espresso powder
1 1/2 tsp
vanilla extract
4
large eggs, separated
salt
1/3 cup
light brown sugar, packed
For the middle layer:
2 tbsp
cocoa powder, preferably Dutch-processed
5 tbsp
hot water
7 oz
bittersweet chocolate, finely chopped
1 1/2 cups
heavy cream
1 tbsp
granulated sugar
salt
For the top layer:
3/4 tsp
powdered gelatin
1 tbsp
water
6 oz
white chocolate, finely chopped
1 1/2 cups
heavy cream
For garnish:
Chocolate curls or cocoa powder