Tomate Frito is a Spanish tomato sauce made with ripe tomatoes, onions, garlic, and olive oil. It is a versatile sauce that can be used as a base for various dishes or as a condiment. The tomatoes are cooked down until they are soft and the flavors are concentrated, resulting in a rich and flavorful sauce. Tomate Frito is commonly used in Spanish cuisine, particularly in dishes like patatas bravas and Spanish rice.