After gathering everything needed to make the shot, fill the shaker to the top with ice.
Use the jigger and measure .5 oz of Peanut Butter whiskey. Dump that into the shaker.
Use the jigger and measure .5 oz of chocolate liqueur. Dump that into the shaker.
Use the jigger and measure .5 oz of kahula. Dump that into the shaker.
Use the jigger and measure .5 oz of heavy cream or irish cream Dump that into the shaker.
Put the top on the shaker and shake well. Usually this takes about 15 - 20 seconds.
Take the peanut butter cup and crumble it up.
Spread a thin layer of chocolate syrup on a saucer next to the peanut butter cup.
Place the shot glass rim down into the chocolate syrup and roll it around until the rim is coated.
Then, place the shot glass rim into the crumbled peanut butter cup until it is coated.
Replace the shaker top with the hawthorne strainer.
Pour the drink into the shot glass.