Preheat oven to 180C and line a 15cm square tin
Melt chocolate, sugar and butter in a saucepan
Blend eggs, avocado, beetroot and spices together
Tip almonds into a bowl with the bicarbonate of soda and stir in the chocolate and egg mixtures
Pour the batter into the tin, sprinkle with flaked almonds if using
Bake for approx. 20 minutes
Remove whilst still soft as they will firm up on cooling.