Roast the almonds in a pan without fat until golden brown, take them out. Finely chop the chocolate. Mix flour, sugar, vanillin sugar, baking soda and baking powder. Mix milk and oil. Stir the flour mixture into the milk mixture with the whisk of the hand mixer. Halve the bananas lengthwise and cut into slices. Stir bananas, almonds and chocolate into the dough
Put the dough in a greased ring cake tin (2.5 litres capacity) and smooth it down. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 1 hour. Take out and let cool down for about 45 minutes. Turn out of the tin and let cool down
Cut the avocados in half, remove the core and the flesh from the skin. Mash with a fork. Finely puree the fruit flesh, 150 ml water and cocoa powder with a blender. Melt coconut oil and stir into the Avaocado cream. Cover the cake with the cream and refrigerate for about 30 minutes
waiting time approx. 3 hours