Portuguese Pumpkin and Walnut Preserve

Doce de Abóbora com Noz is a Portuguese jarred preserve made from pumpkin, sugar and walnuts. A domestic recipe published by Teleculinária adds lemon peel and juice and a cinnamon stick: the pumpkin rests with sugar and lemon, cooks over low heat, is blended and receives the walnuts at the end.

Production outside the home is also documented. An academic food-safety report follows an artisanal producer and describes selection, peeling, washing, weighing, cooking pumpkin with sugar, blending, adding walnuts, hot filling, capping and pasteurization. Another academic fruit-preserve development study records a commercial pumpkin-and-walnut product as the basis for a new walnut-and-hazelnut formulation.

Formulas vary: the domestic version uses brown sugar, lemon and cinnamon without added pectin; documented commercial examples may use pectin and citric acid. The image represents orange preserve in a jar with walnut pieces, but it is an editorial interpretation rather than a photograph from an identified producer.