unsweetened chocolate bar (me: extra dark chocolate 72% cocoa), potong kotak, butter (me: unsalted + 1/4 sdt salt), potong kotak, granulated sugar, light brown sugar, large eggs, room temperature, vanilla essence, atau bisa juga 1 tsp vanilla + 1 tsp coffee powder, plain flour, unsweetened cocoa powder, baca tips saya di kolom cerita, pecan / almond / cashew, roasted with 1 tbsp butter until golden, almond slices untuk topping