Paella Valenciana

* Throughout history, saffron has been the natural ingredient used in Spain to color rice yellow. However, it's very expensive because it's labor-intensive to process, and each saffron crocus yields a minuscule amount of saffron. Consequently, supermarkets sell only a few grams per container. Cooks and chefs in Spain (and throughout Latin America) solve this problem by using yellow food coloring,