First of all, I don't recommend this cocktail to the novice bartender or the person who has been drinking, at least if that person is the one making it. The Blue Blazer is definitely an advanced bartender's cocktail because it involves rolling flaming liquor from one mug to another. The story behind the drink is that Jerry Thomas created it in the 1800's and etchings of him making the drink are possibly the most famous images of "The Professor.