Thanks to the nutrition classes that she hosts, Betty Nabiteeko has earned the title of “nurse” among residents of her community. She is not a certified health worker, but every other week, mothers gather with their young children in Matyebili, a village in Uganda’s central Kyotera district, to seek her advice. Holding an orange-fleshed sweet potato, Nabiteeko tells the crowd how the starchy but healthy vegetable can sustain their nutritional needs. Some 5.3 million Ugandans face acute food insecurity, according