My tokay has taken a liking for superworms (but mind you mine is very spoiled and she won't eat unless I handfeed her)-there is a higher percentage of fat but about the same amount of protein as crickets. GIving you tokays superworms means you won't have to feed them as much crickets.
I assume you don't handfeed your tokay. It's possible the crickets are well hidden in the substrate, rocks, etc. My tokay is pretty good plump weight, and she's happy with a few superworms a week--but I know she eats them..or about 6 crickets a week.
When I first got my tokay she had a voracious appetite, but she was starving because the other tokays hogged most of the food. When she got her own place, I guess she became so thankful she got very attached to me and likes to be handfed and doesn't mind handling at all. She's plump but doesn't eat like cracy anymore. She's pretty happy with a cricket a day, and some days will prefer to skip a day here and there. During the winter she eats about a cricket a week. During the summer, 3 to 6 a week. It's not bad at all. (she won't eat at all if I don't handfeed her.)
JadeFox