This drink belongs to the era of drinks named after popular cakes, it also belongs to the sub era of drinks named after popular cakes which consist of a flavored vodka, an agent, and/or cordial. Here is an early printing of this drink:
The Little Black Book of Shots & Shooters – Page 74 by Eric Furman, Lou Harry 2005
“Chocolate Cake – 1 part vodka 1 part Frangelico Sugar Lemon slice Pour vodka and Frangelico into shaker with crushed ice. Shake well. Strain into shot glass(es). Finish by sucking on sugar-coated lemon slice.”
This sub era also follows a trend of consisting of ingredients that you wouldn’t normally think would result in the flavor of the name. For example the Cheese Cake Shooter, contains Vanilla Vodka and Cranberry, as in the Chocolate Cake contains Citrus Vodka and Frangelico. It’s a strange combination, nonetheless, it taste just like Chocolate Cake.
It is unclear where this drink originates and although there are several publications, many sources are false or inaccurate. There are also no indicators as to who invented this drink. One thing is for sure though, it contains citrus vodka and Frangelico, garnished with a sugar coated lemon-wedge. Which might have been taken from the Lemon Drop Shooter.
This drink dates between 1999 – 2004 and contained at least as of then:
You would normally stir spirit only cocktails, however, early literature suggest this is to be shaken, Shake these ingredients:
Citrus Flavored Vodka (Undetermined)
Frangelico Hazelnut Liqueur
Strain into a shot glass.
Garnish with a Sugar Coated Lemon Wedge.