1 tb Mashed potatoes
2 1/4 c  Confectioners sugar
1    12 oz jar peanut butter

Placed mashed potatoes in a mixer bowl. Add confectioners sugar one cup at
a time, beating well after each addition. Spread into greased 10 x 15 inch
pan. Spread peanut butter over top. Roll as for a jelly roll. Cut into
slices.