01 -  In a small bowl, whisk together the creamy peanut butter and bourbon until smooth and homogenous. 
 02 -  Divide the vanilla ice cream into two tall glasses using an ice cream scoop. 
 03 -  Pour the bourbon-peanut butter blend evenly over the ice cream in each glass. 
 04 -  Slowly top each glass with chilled cola, letting the foam settle as you pour. 
 05 -  If desired, finish with whipped cream, chopped roasted peanuts, and a drizzle of chocolate syrup. 
 06 -  Present immediately with a straw and a long spoon for enjoying both the creamy and fizzy elements.