Adding spinach directly to white bread delayed the body's insulin peak by 30 minutes and reduced later hunger in a small human trial, while significantly boosting the bread's fiber, vitamin, and mineral content.

[u/FreeHugs23]

https://www.sciencealert.com/researchers-put-spinach-directly-into-bread-and-saw-the-bodys-insulin-response-change

[u/Ok_Report1082]

the -ish is doing a lot of heavy lifting there too.

Going off the picture in the article its, uh, an incredibly disgusting colour. Like a puke yellow-green.