The crossword solution for the term PREPARED, AS PRUNES is STEWED, which is a cooking method that involves simmering food in liquid over low heat for a long period of time. STEWED prunes are a popular dish that is made by simmering prunes in a liquid such as water, wine, or juice until they become soft and tender. The stewing process helps to bring out the natural sweetness of the prunes and can also help to reduce their tartness.