1 c. softened butter
1 1/2 c. sugar
4 eggs
2 tsp. vanilla
1 1/2 c. flour
4 to 6 tbsp. cocoa
1/2 tsp. baking powder
1/2 tsp. salt

MARBLE:

5 tbsp. softened butter
1/3 c. sugar
2 eggs
2 tbsp. flour
3/4 tsp. vanilla
8 oz. cream cheese, softened

Cream butter with sugar. Add eggs and vanilla. Mix together dry ingredients and add to creamed mixture. Spread half of cocoa batter into pan. Cream together "marble" mixture and top the bottom layer. Spread the remaining cocoa mixture on top of the "marble" layer. Bake in 9 x 13 inch pan at 350 degrees for 45 minutes. Can frost these brownies with chocolate all ready made frosting.