Molten Chocolate Cake

Bahan-bahan (2 porsi)

• 4 ounces semi-sweet chocolate, (chopped (be sure to use a good quality chocolate))
• 4 tablespoons unsalted butter, (cut into ½ inch pieces (plus extra for buttering the ramekins))
• ⅔ cup powdered sugar
• 1 dash salt
• ¼ cup all purpose flour
• ¼ teaspoon instant espresso powder
• 1 large egg ((the whole egg))
• 2 large yolks
• ½ teaspoon vanilla extract
• raspberries or strawberries, and whipped cream or ice cream, (for serving (optional))
• extra powdered sugar, (for dusting (optional))