Make sure the peanut butter does not contain palm oil, it is not vegan... more info coming on why this is not vegan friendly.
In the mean time check out this article....
https://steemit.com/anarchy/@celestialcow/why-mc-donald-s-vegan-burger-is-not-vegan-friendly

Protein is not an issue if you are vegan, eating pulses and beans makes sure for that, you absorb the protein way better than eating meat.

I just joined steemit, follow and I follow back and upvote

please join the FOOD REVOLUTION! check my intro out....
http://steem.link/bLD24