The mayhaw is the tart red fruit from a type of edible hawthorne. Uses for the fruit include jams, jellies, desserts and even wine. For more information about the mayhaw visit the Louisiana Mayhaw Association Mayhaw.org web site.
Bilberries, also called European Blueberries make a nice tart jam. This very simple recipe uses fresh bilberries, lemon juice and sugar.
Crosnes are becoming more popular in the U.S. and may be found in specialty grocery stores and local farmer's markets. Use the pickled crosnes in salads or as a side dish with meats.
Recipe for a Tomatillo Jam made with tomatillos, lemon juice, sugar, butter and pectin. 1 hour 20 minutes 20 mins prep
A type of relish made with green tomatoes, onions, bell peppers, sugar and spices.