1 c. smooth peanut butter
1 c. chunky peanut butter
1 stick butter, softened
1/2 c. brown sugar
2 1/2 c. confectioners' sugar (divided)
1 tsp. vanilla
12 oz. chocolate chips
6 tbsp. butter

Mix together first 6 ingredients except for 1/2 cup of confectioners' sugar. Pat into pan. Use 1/2 cup sugar on top to help pat it in the pan.

Melt chocolate chips and butter. Pour on top and smooth over. Cut into squares and chill.