Havanna Dulce de Leche – A harmonious combination of cow’s milk, sugar and vanilla, this is one of the most popular dulce de leches in South America. Rich and gooey, it is stuffed into dessert crepes, used to sweeten espresso (drizzle in the bottom of a mug before filling it with espresso and steamed milk!), smeared on biscuits and even eaten straight up. I dig this as a housewarming gift.