1 (12 oz.) jar peanut butter
1 (16 oz.) box powdered sugar
2 sticks butter (softened)
1 tsp. vanilla

Mix all above ingredients together. By hand roll into small balls and refrigerate for about 1 hour.

In a double boiler, melt:

1 (6 oz.) bag chocolate chips
1/3 block paraffin wax

Using a toothpick, dip each ball into chocolate mixture. Place on wax paper until hardened.