First sieve Maida,coco powder,baking soda and baking powder do 2 times
Than take a bowl add sugar and butter mix it well with the help of blender than add melted Choclate in it
add milk in it add few drops of vanilla essence mix it well now add the dry ingredient in to wet ingredients in 3 batches
now take a tin grease with oil or butter paper add the brownie mixture in to it add finely chopped walnuts and almonds bake it for 180'c to 30 mins
every otg takes their own time to bake u adjust it
in the end i have take white Choclate and cream in to it and make a ganache add mint extract and green colour drizzle it when the brownie cools down