Killer Brownies - cooking recipe

Ingredients

1/3 c. cocoa
1/2 Tbsp. vanilla
2 eggs
1 c. sugar
3/4 stick margarine (butter)
1/2 c. self-rising flour

Preparation

Soften butter.
Mix all ingredients together.
Pour in greased pan.
Bake in 350\u00b0 oven for 1/2 hour.