Soft Milk Purple Yam Candies

Pastilla is a Spanish word supple enough to signify a pill, lozenge, or anything of similar shape, or a small pastry. (In Morocco, it’s a flaky savory pie.) But the candy of this name is wholly Filipino, from the town of San Miguel in Bulacan province, which neighbors Pampanga, where my mother grew up. Traditionally, pastillas were made with carabao (water buffalo) milk, as a way for farmers to use up any excess, so it wouldn’t spoil in the time before refrigeration. Carabao milk is gorgeou