INGREDIENTS
6 oz
dark chocolate, chopped
8 tbsp
unsalted butter, chopped (plus more for greasing)
2
egg whites (50 g) + 3 eggs (150 g, weighed out of shell)
3/4 cup
granulated sugar
1/2 cup
unsweetened cocoa powder, sifted (Dutch-processed is best)
1 tsp
pure vanilla extract
1/2 tsp
kosher salt