Lemon Curd Mix from Pastry Star sets a tart lemon curd that slices clean and holds a sharp edge. The base reconstitutes with water and butter, then cooks and chills into a firm, glossy filling. The flavor lands tart and lemony, and the curd firms up...

Hot-process lemon curd powder from Pastry 1, packed five 2.2 lb (1 kg) bags per 11 lb case. Whisk with water, bring to a boil, finish with butter, and chill to set a smooth, bright lemon curd ready for tart shells, layer cakes, verrines, and...