Salsa roja is a popular Mexican sauce made primarily from tomatoes, chili peppers, onions, and garlic. It is known for its vibrant red color and can vary in spiciness depending on the type of chili used. This sauce is often used as a condiment for tacos, enchiladas, and grilled meats, adding flavor and heat to various dishes. In addition to its use in traditional Mexican cuisine, salsa roja can also be found in many Latin American and Tex-Mex recipes. It can be served fresh or cooked, and some variations include additional ingredients like cilantro or lime juice for extra flavor.