Soak and cook the aduki beans according to the package. Carefully rinse the beans after cooking them it in a colander and let them drain.
Soak the chia seeds for 10 minutes in 50 ml of water. Stir every now and then.
Preheat the oven to 180 ° C.
Place a saucepan with low water on medium heat. Place oneheat-resistant bowl on the pan and melt the chocolate in it (au bain-marie).
Add the coconut oil and stir well until the fat has completely melted.Remove the pan from the heat and mix the soaked chia seeds, the maple syrup and theamazake through the chocolate.
Put the almond flour, salt, baking powder and cocoa powder in the food processor andmix together. Add the aduki beans, vanilla powder and eggs andgrind completely smooth.
Now add the melted chocolate mixture and turn on the food processor againso that a coherent batter is created. Last minute, stir thechopped nuts through the brownie mix.
Brush a square baking pan about 20 cm in diameter with (coconut) oil andlined with baking paper. Divide the batter over the tin and smooth. Placethe baking tin in the middle of the oven and bake for 20 to 30 minutes until done.
When the brownie feels firm it is ready, it should still be moist asyou put a skewer in it.