Lunch Lady Brownies

* What You Need: 

1/4 cup of unsweetened cocoa powder, 1 cup of melted butter, 2 cups of all-purpose flour, 2 cups of sugar, 4 big eggs, softly beaten, 1 tablespoon of vanilla essence, and icing
The recipe calls for 1/4 cup of softened butter, 1/4 cup of milk, 1/4 cup of unsweetened cocoa powder, 3 cups of icing sugar, and 1 teaspoon of vanilla extract.

* Approaches:

Lay foil in a 9 by 13-inch pan and set oven temperature to 350 degrees. Applying nonstick fry spray on metal.
Combine half a cup of cocoa powder with melted butter and mix in a large bowl until combined.