So for you the protein doesn't seem to be a huge concern in the big picture.
The most protein dense food is red meat. And the most complete an amino-acid panel. So basically increase your meat intake.
As a carnivore myself i eat around 1kg of beef a day
I've only heard of such high protein diets in bodybuilding forums.
https://www.mayoclinichealthsystem.org/hometown-health/speak...
https://www.nutrition.org.uk/healthy-sustainable-diets/prote...
Evidence that protein requirements have been significantly underestimated Rajavel Elango 1, Mohammad A Humayun, Ronald O Ball, Paul B Pencharz Affiliations expand PMID: 19841581 DOI: 10.1097/MCO.0b013e328332f9b7
https://pubmed.ncbi.nlm.nih.gov/19841581/
A high protein diet (3.4 g/kg/d) combined with a heavy resistance training program improves body composition in healthy trained men and women – a follow-up investigation
https://jissn.biomedcentral.com/articles/10.1186/s12970-015-....
Relatively high-protein or 'low-carb' energy-restricted diets for body weight loss and body weight maintenance?
https://pubmed.ncbi.nlm.nih.gov/22935440/
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