Part 4/8:
As noted by food authority Samin Nosrat, fat plays a pivotal role in transporting flavors. Fat coats your taste buds, allowing flavors to linger longer, amplifying the overall taste experience. Homemade vinaigrettes made with olive oil, for instance, can transform the flavor profile of your sub remarkably when compared to water-based dressings that dilute taste.
Try mixing mayo with aromatic herbs to enhance sandwiches or incorporate a light vinaigrette with your lettuce and onions. You might also consider adding roasted vegetables to introduce savory and sweet dynamics to your sub.