> "fully ethical" meat

Clams. Clams and oysters and such. Sessile bivalves are the plants of the animal kingdom, the "genetically engineered brainless cow" of nature. They're also environmentally friendly even when farmed, and more healthy than any animal meat while addressing the same nutritional needs and more. They're almost comically ethical and healthy (and seafood dishes are great imo), they just don't produce bacon and burgers specifically.