Heat the olive oil in a heavy-bottomed oven-safe pan over medium heat. Add the onion and garlic and cook for 5 minutes until the onion has begun to soften. Add the cumin and toast for 30 seconds. Add the beans and give them a nice stir to incorporate everything together. Add the water, beer and jalapeños, and bay leaf. Bring everything to a boil. Once boiling put a tight-fitting lid onto the pan and place in the oven for 1 hour to 1 1/2 hours. Remove from the oven, season with salt, and enjoy