1 c. chunky peanut butter
2/3 c. butter
1 1/2 c. brown sugar
1 1/2 c. sugar
4 eggs
4 tsp. vanilla
2 c. flour
2 tsp. baking powder
1/2 tsp. salt
Lg. bag chocolate chips

Mix all ingredients together. Spread in 2 medium cookie sheets. Spread chips on top. Bake 5 minutes at 350 degrees. Swirl chocolate with knife and continue baking 25 to 35 minutes longer.