Brownies

1/2 Cup melted butter or margarine
1 Cup sugar
1 tsp. vanilla
2 eggs
1/2 Cup flour
1/3 Cup cocoa
1/4 tsp. baking powder
1/4 tsp. salt
1/2 Cup chopped nuts
Blend butter, sugar, and vanilla. Add eggs and beat well. Combine flour, cocoa, baking powder, and salt. Gradually add until well blended. Stir in nuts. Spread in a 8 inch square pan. Bake at 350 degrees for 20-25 minutes.
Double the recipe for a 9x13 baking dish. Triple the recipe for a jelly roll sized pan.