Brown Rice and Black Beans

water, plus more if needed

bag (1 pound) dried black beans, picked over, rinsed, and drained

jalapeno chile, halved and seeded

medium onions, quartered

garlic cloves, smashed

red-wine vinegar

Coarse salt and freshly ground pepper

extra-virgin olive oil

medium onion, finely chopped

garlic clove, minced

Coarse salt and freshly ground pepper

long-grain brown rice

water