Brownies(Never Fail) - cooking recipe

Ingredients

3/4 c. baking cocoa
2/3 c. + 4 Tbsp. butter or margarine
4 large eggs
2 c. sugar
1 tsp. baking powder
1 tsp. salt
1 tsp. vanilla
1 1/4 c. flour
1 c. chopped nuts (if desired)
1/2 c. chocolate chips (if desired)

Preparation

Preheat oven to 350\u00b0.
Spray (Pam) or grease a shiny* 9 x 11-inch cake pan; lightly flour, if desired.