Melt the 70% Dark Chocolate (1 ounce) and Butter (2 tablespoon) in the Panasonic Microwave Oven.
Add Caster Sugar (1/4 cup) and mix it up. Then, add Egg (1) and Vanilla Extract (1/4 teaspoon) and mix it up.
Then, add All-Purpose Flour (3 tablespoon), Unsweetened Cocoa Powder (1 tablespoon) and Salt (1 pinch). Take a spatula and fold everything together.
Pour the batter into a mug and microwave it for one minute. Serve with ice cream and enjoy! Cooking results may vary depending on microwave oven used.