#plant-protein

"Plant protein is incomplete, so you can't build muscle on a plant-based diet"
Single plant foods can be lower in specific amino acids, but a varied plant diet across a day covers your needs — combining proteins in one meal isn't necessary.
Mixed Evidence

How Much Protein Do You Actually Need?
Not the 25g-every-three-hours number the supplement industry sells you — here's what the dose-response trials actually show.
Meta-analysis