- 60 g Extra white flour type 400
- 200 g sugar
- 35 g cocoa
- 2 teaspoons baking powder
- 2 teaspoons baking soda
- little salt
- 1 egg
- 1 ripe mashed banana
- 120 ml hot water
- 60 ml milk
- 60 ml oil
- 1 teaspoon vanilla extract
For the chocolate filling:
- 200 g chocolate with a minimum of 60% cocoa
- 200 g butter
- 230 g powdered sugar