Preheat oven at 165C
Line an 8" loose bottom tin with baking parchment
Add ground almond and bicarb together in a bowl, give it a quick whisk and set aside
Boil water and measure out 125ml into which you add the 50g cocoa powder, mixing until it smooth and well mixed and set aside
Add caster sugar, olive oil and sugar together in a bowl and mix until pale and resembling mayonnaise
Add the ground almond mix and mix until combined
Add the warm cocoa water making sure it's all combined before transferring to your prepared cake tin
Bake for about 45-50mins. The cake should pull away from the sides of the tin and be moist and spongy in the center. Take out and leave to
Take out and leave to cool on a wire rack
Once cool you can decorate with a bit of icing sugar should you feel the need