Black plums have a beautiful reddish or black exterior and a red or yellow colored interior. Plums are picked ripe, but they can ripen more from sitting on a counter top or in a brown paper bag until soft to the touch. RIpe fresh plums are so sweet and juicy. Paleo, Vegetarian, Vegan, Whole 30 Use as a fresh snack or in salads, charcuterie boards, jams, baked goods, salads, crostinis, and more Sweet flavor with slightly sour overtones, Firm bite with juicy flesh, Refreshing, tart yet sweet snack Wine and Cheese, Salads, Jams, Cereals, Oatmeal and Yogurt Store on counter top until ripened, then store in refrigerator. Low calorie snack option Fat free; saturated fat free; sodium free; cholesterol free; good source of vitamin C