1 tsp. vanilla
1/4 tsp. salt
1/4 c. mashed potato
4 c. powdered sugar
1 c. smooth peanut butter

Add vanilla and salt to mashed potato. Chill. Add sugar slowly until stiff and dry. Divide into 3 parts. Working with one part at a time, roll out to about 1/4 inch thickness on waxed paper.

Spread with peanut butter. Roll up. Repeat with other parts. Chill several hours. Slice. Store in refrigerator.