But the flavor didn't fully catch on until the early 1970s, when two separate companies, ICEE and Otter ... concoction passes for raspberry blue? For more food and drink goodness, join The ...

Sour Patch Kids, ICEE Pops, Prime… it all tastes SO delicious. But have you ever stopped to wonder: what is blue raspberry? It’s not like blue raspberries grow in the wild.