how to improve my beans?

i made my weekly batch of beans and this time i went with pinto beans, which i havent made before, and green chilis. I opted to skip any meat as I'm short on cash (and also havent found things like TVP at my local grocers yet). They turned out ok, like they dont taste bad, but theyre missing something and I dont know what. The word I keep thinking of is bass but i dont really know what i mean by that foodwise. Umami?? How do I add more bass to my beans? mushrooms?

ingredients i used:
\ pinto beans
\ green chilis + onion + garlic
\ oregano, cumin, some chili powder, garlic powder, s&p
\ cooked in faux-chicken stock