In a small pan over medium-high heat, bring filling ingredients to a boil, then lower heat and simmer until grapes are soft, crushing them lightly with a fork or a potato masher. Set aside to cool.
Over-ripe or damaged fruit is not ideal - the jam will not set well and is likely to deteriorate rapidly. The amount of sugar you need to make jam depends on the amount of pectin in your chosen ...
Extract grape juice for a jelly or sorbet by lightly cooking the grapes until their skin pops and they start to release lots of juice. Strain and season with lime juice.
What a haul. All you really need, though, for one batch of jelly is about 4 pounds of grapes. That will make eight 8-ounce jars of jelly. The process is easy. (The web is filled with recipes ...
"Concord," by the way, simply refers to the type of grape used to make jelly and juice. Bonne Maman and Trader Joe's have big fruit flavor and big strawberry pieces; Welch's strawberry flavor has ...