Drain and rinse the cooked beans. Place them in the food processor or blender and blend them well.
Add all the ingredients and blitz in the food processor until smooth dough like mixture is formed.
Stir in the chopped walnuts or choco chips, then pour in greased 8×8 tin.This brownie mix is thick and sticks together. You will need to use your hands or another sheet of parchment paper to flatten it out in the pan.
Sprinkle some more walnut bits or chips.
Bake for about 10-15 minutes until the edges are brown.Allow it to cool before serving.
Serving suggestion- You can top it with some chocolate sauce or can enjoy with scoop of your favorite ice-cream. Or the best is just enjoy the warm slice with milk.
Oven temperature and baking time may vary from oven to oven. So keep a watch !
If you prefer more sweetness add 2-3 teaspoon of honey while making a brownie dough.