Um, yes, you need this at your tailgate. Make room for a bit of simple syrup and eggs in your cooler, because celebrity chef Michael Symon's bourbon and stout recipe will hit the spot as you finish up your tailgating madness for the big game. (Besides, when the weather starts to get cold, you're going to need that liquid blanket.)
Pour all ingredients into a shaker and dry shake (without ice) to emulsify proteins. Add ice and shake vigorously. Strain into cocktail glass.