Reese'S Bars

Directions

1. 1
   Mix peanut butter, brown sugar, butter and vanilla until smooth.
2. 2
   Add confectioners sugar, a little at a time (you may not need a full pound of sugar), until smooth and spreadable.
3. 3
   Spread in a buttered 13 x 9-inch pan.
4. 4
   Melt together chocolate chips and butter over hot, but not boiling, water.
5. 5
   Spread over peanut butter mixture. Let set.
6. 6
   Cut into squares when cool.