I’m also not vegetarian or vegan, but have transitioned to a much more plant based diet. The secret isn’t finding meat replacements, it’s just finding recipes that don’t use meat. I mess around a lot with Indian, Southeast Asian, Middle Eastern, and North African cuisines. Chickpeas and lentils (most beans and legumes, actually) are my best friends. I’ve found that even though it’s a grain, farro helps me feel full. I’m pretty sure you can make a lot of Mexican/Central American stuff without meat (but probably not without cheese/dairy), but I’m not positive because I’m actually not that big on black beans.