In a small microwave-safe bowl, add the chocolate and butter and melt in 15-second increments until melted.
Add the egg to a bowl and whisk until frothy. Fold in the melted chocolate mixture.
Microwave the cake batter for 60 seconds. Let it sit for one minute before enjoying.
Pour batter in an oven safe dish and bake for 10-12 minutes on 180 degrees celsius for 10-12 minutes, until desired consistency.
