Gluten-based food? https://en.wikipedia.org/wiki/Wheat_gluten_(food)
Edit: judging from this food nutrition label, the protein/calorie ratio is quite extreme...[0]
[0]: https://images-na.ssl-images-amazon.com/images/I/61D08CfuRzL...
Edit: judging from this food nutrition label, the protein/calorie ratio is quite extreme...[0]
[0]: https://images-na.ssl-images-amazon.com/images/I/61D08CfuRzL...
I wonder why it doesn't come up a lot in protein rich food discussion. I will try to read up more about it.
[1] https://ndb.nal.usda.gov/fdc-app.html#/food-details/168147/n...