The phrase denotes a specific set of instructions tailored for preparing and preserving a savory, tomato-based condiment used in Mexican cuisine. This process involves not only creating the sauce but also employing a method that allows it to be safely stored for extended periods, typically in sealed jars. An example would be a detailed guide providing ingredient lists, cooking techniques, and procedures for safely pressure canning a homemade chili-flavored sauce.
Its significance lies in its ability to extend the shelf life of a homemade product, enabling individuals to enjoy the flavors of a particular region or cuisine regardless of seasonality or geographic location. Historically, preservation methods like this have been essential for ensuring food security, particularly in regions with limited access to fresh produce year-round. Benefits include cost savings, control over ingredients, and the satisfaction of creating a pantry staple from scratch.