Whisk together the eggs, chilies, and a splash of water. Heat the butter in a pan over medium heat. Add the eggs, cook for one minute, stirring, then add the cheese and continue to cook, stirring, until cooked to your liking.
Heat the black beans in a pan and drain.
Assemble the bowls with hashbrowns, eggs, beans, avocado, and tomato. Garnish as desire.