INGREDIENTS
2 sticks
unsalted butter, plus extra for pan
8 oz
bittersweet chocolate, chopped
1/4 cup
unsweetened cocoa powder, sifted, plus more for dusting
1 tbsp
ancho chili powder
1/4 tsp
salt
6
large eggs, separated
1 cup
sugar
Ganache:
8 oz
good semisweet chocolate chips
1/3 cup
heavy cream