Campbell-Adams and her late husband Lloyd Adams co-founded the business in a basement apartment in East Harlem.
In 1985, "Lloyd's Carrot Cake" opened up in a small storefront in the Riverdale section of the Bronx.
They later expanded to a second location back in East Harlem.
Lines of eager customers would often stretch outside the bakery for blocks, especially during the holidays.
Her family says her legacy will live on.
"The one thing that I know that she would want and that he would want is that this doesn't stop. We're learning right now, we're trying to learn how to cope, but we're going to take the time that we need as a family and assess and figure out what's next, but this doesn't stop by any means at all," Brandon Adams, Betty's son, said.
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