"Crepas de Cajeta con Nuez Cajeta (or dulce de leche, as it is known in other Latin American countries) is a thick caramel sauce traditionally made with goat's milk, though cow's milk is also commonly used. If you can't find cajeta, you can substitute dulce de leche, now available in many supermarkets (look for it next to the ice cream sauces). Cajeta is sold at Mexican and Latin American markets...."