This refers to a specific set of instructions for creating a flavored oil intended for use on submarine sandwiches. The recipe typically details the types of oil to use, the herbs and spices involved, and the process for infusing the oil with flavor. An example would be combining olive oil with oregano, basil, garlic, and red pepper flakes to create a spicy Italian-style oil.
The appeal lies in the ability to enhance the taste and moisture of submarine sandwiches. A well-crafted flavored oil can elevate the overall eating experience by adding complexity and depth of flavor. Historically, such preparations reflect a desire to customize and improve culinary offerings with readily available ingredients.