Black raspberry jam: for us, for gifts

1,950 grams (ca. 4 qts) Black raspberries from Mitchell's Farms

pectin, 2 little boxes

heat to boil

2,200 grams sugar, return to boil and let boil a minute

charge to clean jars, process 10 min in boiling water bath

listen to little popping noises on cooling

eat next day

Thanks to Mom and Frankie for picking berries in the brutal heat of yesterday.