Split the fruit into 3 portions. Two plates with just bananas one with strawberries and bananas. There will be approximately 560g (20oz) of fruit on each plate.

Store one plate with just bananas and the plate with the banana and strawberry mix in the freezer for now so they do not thaw.

Process the first portion of bananas with 2 tablespoon of cocoa powder in a food processor until it forms a creamy soft serve. Transfer it into a cake tin of about 20 cm(8 inch) diameter that is lined with baking paper. Place the form in the freezer and let it solidify for about an hour.

Take the plate with the strawberries and bananas out of the freezer and repeat the same process as above. Blend them until you have a very smooth soft serve and layer it on the chocolate base. Return it to the freezer and wait for another hour.

Take the last plate of bananas, add the vanilla extract and follow the same steps as above. Process the frozen fruit and layer it into the cake tin. Make sure that the top of this layer is as smooth as possible if you want to serve it without fruit. If you choose to use fruit, then you can allow yourself to be a little bit messy because it will be covered up.