Fry the onion until it becomes translucent, then add the garlic and beef. Add the desired amount of salt and fry everything together.

Add the sausage and tomato, and fry for a few more minutes.

Once everything is fried, add the beans with their broth, ketchup, and mustard. Mix everything and let it simmer for 5 minutes.

Finally, add the cilantro and adjust the salt to taste.

Serve in hot dog or hamburger buns.