Crack the eggs in a bowl, whisk until a bit foamy
Add sugar gradually while whisking the eggs
Add butter and whisk it again
The mixture should be mixed thoroughly so that sugar is completely dissolved, no sort of consistency required
Add the vanilla extract in the mixture and mix it again
In a separate bowl seive the flour, cocoa powder and baking powder
Slowly pour the egg mixture and mix them thoroughly
When mixed, put the mixture in a microwave safe bowl with parchment paper under it or just butter
Cook at 450W for 8 minutes
