Black cherry jam is a sweet spread made from ripe black cherries, sugar, and often a bit of lemon juice for balance. The cherries are cooked down until they break apart, releasing their natural juices, which are then combined with sugar to create a thick, flavorful preserve. This jam is commonly used as a topping for toast, pancakes, or desserts, adding a rich, fruity flavor. It can also be used in recipes for glazes or marinades, enhancing both sweet and savory dishes with its deep, dark color and unique taste.