Doctor Pepper Recipe Published March 14, 2007 Ingredients draft beer 1/4 oz Bacardi 151 rum 3/4 oz amaretto almond liqueur Place 1/2 of Draft in a mug. Place 3/4 oz. Amaretto into a shot glass. Float/Layer 1/4 oz. Bacardi 151 on top of the Amaretto. Light the Bacardi as to set it on fire. Quickly drop the shot glass with Amaretto and Bacardi into the Draft Beer and shoot.