Quiznos' Executive Chef, Nick Graff, describes the sauce as being made with a bourbon "that when reduced, resulted in a traditional oak barrel flavor profile with a vanilla overtone." The bourbon is combined "with a savory ponzu sauce, garlic, and mustard."
Marketing for the new sub revolves around a new and not-so-serious catchphrase, "floasted." You can check out the commercial below to see how the term came about:
Nutritional Info - Quiznos Bourbon Steak Sub - Regular
Calories - 1010 (Calories from Fat - 360)
Fat - 40g (Saturated Fat - 13g)
Sodium - 3130mg
Carbs - 97g (Sugar 21g)
Protein - 65g