Wash prunes, and soak over night in water to cover; cook until soft in same water; drain, measure juice, and add enough boiling water to make three cups; put cranberries in a colander and rinse off the seeds with running water; drain, and add to water; add sugar, and cook ten minutes; add the gelatine soaked in cold water; stone the prunes, cut in quarters, and add to cranberries; turn into a mold, and chill.
Better Meals for Less Money (1917).