Chocolate Soufflé

Bahan-bahan (6 porsi)

• 1 Tbsp unsalted butter ((softened; to coat the ramekins))
• 2 Tbsp sugar ((to coat the ramekins))
• 3 oz bittersweet chocolate ((use good-quality chocolate))
• ⅓ cup half-and-half
• ½ cup unsweetened cocoa powder
• ⅓ cup water
• 8 large egg whites
• ½ cup sugar
• confectioners’ sugar ((for dusting))