Once you start making your own jams from scratch, you'll likely never go back to relying on the store-bought variety, at least for the kinds of fruit you can easily find, including all manner of berries in the summer and cranberries in the fall and winter, when the packages start popping up in the supermarket. This jam is seasoned with fresh ginger, cinnamon, clementine zest and juice, and vanilla bean paste, with port adding more flavor.