All purpose flour - 1/4 cup
Unsweetened cocoa powder - 1 1/4 cup
Butter melted - 2 sticks (8 ounces)
Vanilla essence - 2 tbsp
Eggs - 4
Brown sugar - 1 cup
White sugar - 1 cup
Salt - 1/2 tbsp
First shift the flour n cocoa powder n then mix together n keep aside.
Then add 4 eggs in large bowl n beat them until light n fluffy.Then add both the sugars n again mix it until combined well.
Now add rest of the ingredients one by one and mix well with help of electric mixer.
In the mean time on the oven into 300 f and bake until 25-30 min. Every oven settings are different so keep an eye on it n check occasionally. So now grease the 8 inch baking tray n fill the batter n put in the oven n bake.
To check it insert a tooth pick if comes of neat then its done.