Add the ground almonds, almond extract, eggs and flour and whizz again until soft and smooth, but do not over-mix. Spoon the mixture over the brioche base and spread to the sides of the dish.
Like all banana cookies these are quite soft and cakey, but the dark chocolate ... Cover the bowl and chill for 1 hour (see Recipe Tips). Preheat the oven to 180C/160C Fan/Gas 4 and line 2 baking ...