When I had crickets, both they and my roaches at the same food. MY food is ground up Whiskas high protein cat food + some mixed in vitamins and calcium, that's it. They Love it, I never had many crickets die, and to this day I have had almost zero roaches die, and both seem to love it.
I'm not sure about crickets but roaches have a hard time eating straight cat food, it's to hard for them to eat it. I originally tried to feed them whole cat food and it went untouched for weeks.
Sure i just use kitten food, not cat food the kitten food is higher in protein and tropical fish flake and oatmeal. No particular quantity of each just put some of each into a coffee grinder, that I got for $3 at a goodwill, and grind it up real fine.
I just set Swordtail's timer for his bath and paused it so I could actually fill his soaking bowl up and he crawled over my phone and canceled the timer
Mirage came out of brumation on April 26. He was doing great. On May 2 he started acting funny. We just redid his tank, and he keeps going into one of his hides. He just lays there. He shows no intrest in food. HELP!