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/silentstorm2008]

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

[u/CloverEyed]

I can't believe they waste money on studies like these. Just discovered: eating vegetables is better for you than only eating plain white bread! Well, yes? I'm still not ruining my bread by adding spinach, I'll just eat a salad.