This drink is a classic, although today it is believed to be a much different drink. Here is an early printing:
My Nerdy Valentine - Page 97 by Vicki Lewis Thompson in 2007
"I want a Hot Apple Pie, and I didn't trust Ethan to make it right.” “A Hot Apple Pie? Are you sure? She layered Goldschläger over the Baileys. “But it might be time to retire that Barmaster for the night and tuck into a hamburger."
This drink belongs to a family of drinks named after popular cakes, such as the pineapple upside down cake and the carrot cake. This drink follows the trends of this family and taste like it's food counterpart. This drink has always called for bailey's and goldschlager as seen in these publications:
The Bartender's Best Friend: A Complete Guide to Cocktails, ... - Page 182 by Mardee Haidin Regan in 2002
"3/4 ounce Irish cream 3/4 ounce Goldschlager Ground cinnamon Layer the Irish cream and Goldschlager in a Pony glass. Dust the top with cinnamon. Ignite with a match.
Big Bad-Ass Book of Shots - Page 321 by Paul Knorr in 2004
"HOT APPLE PIE 1 part Irish cream 1 part Goldschlager® Dash of cinnamon."
This drink dates between 1997 - 2001 and contained at least as of then:
Layer these ingredients in this order in a shot glass:
Bailey's Irish Cream