Best All-American Brownies - cooking recipe

Ingredients

1/2 lb. butter
1 1/4 c. flour
3/4 c. cocoa
3/4 tsp. baking powder
1/2 tsp. salt
3 eggs
1 1/2 tsp. vanilla
2 c. sugar
1 c. walnuts or pecans

Preparation

Heat oven to 325\u00b0.
Coat a 13 x 9-inch baking pan with cooking spray.
Melt the butter and let cool.
Combine flour, cocoa, baking powder and salt.