You may wish to use a larger (2-3 oz.) shot glass for this recipe, and use 1/2 oz. or more of each ingredient.
Ordering the alcohols as follows, pour equal parts of Kahlua, then Bailey's and finally Frangelico into a shot glass. The drink is also good if you do not layer the ingredients, but rather shake them in a cocktail shaker with ice and strain into a shot glass.