Mojo is the catchall Latin American name for several types of sauces varying in flavors and spiciness. Mojo sauce is commonly served over meats and potatoes, but it can also flavor anything from tomatoes to peppers to avocado. In Cuban cooking mojo applies to any sauce that is made with garlic, olive oil, and a citrus juice (traditionally sour orange). As in this recipe, it is commonly used to accompany pork.
From Quick-Fix Gluten Free by Robert M. Landolphi/Andrews McMeel Publishing