Some people believe that it is spelled jello,which it is not because it is spelled jell-o

jell-o

Probably Jell-O Mix.

Believe it or not, the proper noun Jell-O is an uncountable noun.

Jell-O is a single, individual product of one company, requiring no plural form.

The product Jell-O is an uncountable noun as a word for a substance. Units are expressed as boxes of Jell-O, flavors of Jell-O, dishes of Jell-O, etc.

As of 2000 the only kind of Jell-O that was being made that contained real fruit was the Cranberry flavor. If you want you can always add a can of fruit to Jell-O or just buy the fruit cups already made.