2 eggs
3/4 c. sugar
3/4 c. brown sugar
1/3 c. butter
1/2 c. crunchy peanut butter
1 tsp. baking powder
1/4 tsp. salt
2 tsp. vanilla
1 c. flour
6 oz. chocolate chips

In a large bowl, combine peanut butter, butter, brown sugar and sugar. Beat until creamy. Gradually beat in eggs and vanilla. Blend in flour, baking powder and salt.

Spread mixture into a greased 9x13 inch pan. Sprinkle chocolate chips over the top of the mixture. Place in 350 degree oven for 3 minutes. Remove from oven and run knife through mixture to marbelize chips. Return to oven and bake 30 minutes. Cool. Cut into bars.