Tell us about yourself!
I freeze mine in thin sheets and trim off a portion of the frozen block each day.
Many carnivores eat the semidigested vegetation in the stomachs of their prey. And goldfish are omnivores, so they'd want veg. as well as meat. In the wild they would get an assortment of different food and a wider spectrum of nutrients than just what we can grow in-tank.
This is a lovely presentation. I've been making gel food for a while and you can also use it to lure skunks in your basement into a livetrap, should that be necessary.
I think the wild flakes are endangered. We only get ranch-grown flakes, now.
Gel Fish Food