Candied Yams

The dish, and its name, trace back to the foodways of enslaved Africans in America. True yams — the starchy tuber native to West Africa — did not grow well in the American South, so enslaved cooks turned to the orange sweet potato, native to the Americas and easily grown, as the closest substitute, and kept calling it by the familiar West African name, a word often linked to terms like 'nyami.' Candying the sweet potato in sugar and spice became a way to make a humble, abundant root into something celebratory. The dish was carried out of the South during the Great Migration and became a defining soul-food holiday side. The familiar marshmallow topping is a twentieth-century addition that took firm root in Black holiday kitchens.

The sweet potato is soft and yielding, almost spoonable, its natural sweetness amplified by the brown-sugar syrup that clings to every piece in a glossy, buttery glaze. Cinnamon and nutmeg give warm, fragrant spice; the edges where the syrup has cooked down go faintly caramelized and sticky. If marshmallows are added, they melt into a soft, gooey, lightly browned crown. It is unabashedly sweet and rich — comfort and celebration on a fork — which is why it straddles side dish and dessert.

Sweet potatoes are naturally high in sugar and in starch-converting enzymes that, with gentle heat, break some starch down into sugar and make them taste even sweeter as they cook. The brown sugar and butter melt into a syrup that, as water evaporates, concentrates and thickens; pushed far enough, the sugars begin to caramelize at the edges, deepening color and flavor. Cooking the slices low and slow lets them soften through and absorb the spiced syrup without falling apart. If marshmallows are browned on top, the heat melts their sugar-and-gelatin structure and the surface lightly toasts via the Maillard reaction, giving the gooey, golden crust.