Get all the ingredients and equipment listed above gathered together.
Toss some ice into your cocktail shaker.
Pick up the Kahlua. Measure out 1 oz of Kahlua with the jigger and pour into shaker.
Pick up the butterscotch schnapps. Measure out 1 oz of butterscotch schnapps with the jigger and pour into shaker.
Pick up the irish cream. Measure out 1 oz of irish cream with the jigger and pour into shaker.
Put the top of the shaker on and shake well. This takes about 15 seconds.
Grab the butterfinger and saucer. Gently crush the butterfinger while it is still in the wrapper. You can use a kitchen mallet or your hand to do this.
Put a little chocolate syrup on one half of the saucer. Open the butterfinger and pour the crumbles on the other half of the saucer.
Take the shot glass and roll the rim in the chocolate syrup so that the whole rim is lightly coated.
Then, roll the shot glass rim in the crumbled butterfinger until the whole rim is lightly coated.
Remove the shaker lid and place the strainer over top of the shaker.
Pour the shot into the shot glass.