What is the most logical next event?

How to make ghostly brownies
Gather your ingredients and materials for baking, listed above.
In a large, dry bowl, mix all the dry ingredients together.
As you mix them, slowly add the liquid-like ingredients such as the milk, softened butter, and eggs.
Mix until the mixture has a thick, pudding-like consistency. Lightly grease your pan with olive, sunflower, or vegetable oil or butter/margarine.