Mix sugar, butter, peanut butter, and vanilla together in a small bowl

Roll mix into bite size balls and chill

Melt chocolate and paraffin in a double boiler stirring until smooth

With a toothpick inserted into a peanut butter ball, dip ball into chocolate leaving a small portion of the ball exposed. Place on a wax paper lined cookie sheet. Repeat until all balls have been dipped.

Chill until chocolate is set. Enjoy.