Heat oil in skillet over medium heat. Add onion, sauté until soft and translucent, about 5 minutes. Add garlic and continue to sauté for additional minute. Reduce heat add beans, broth stirring to break up beans and form a sauce, simmer for 5 minutes. Warm the tortillas on the comal. Dip each tortilla in the bean mixture, fill with cheese and fold over on plate. Garnish with salsa and cilantro.