IBU Surips recipe for delicious rawon (spicy boiled beef) has not changed for the past 25 yearsthick, dark as oil, and spicy. If anything has changed in recent years at this food stall next to the Bojonegoro train station in East Java, it would have to be the customers topic of discussion. Duduhe kaya latung (the broth is like crude oil), said one customer. Almost all the residents of Bojonegoro are knowledgeable on the subject of oil, and they a