Preheat a large pot with cooking oil. Add in onion and saute until soft and fragrant about 2 minutes. Add in the garlic and saute for another 30 seconds. Add in the chicken pieces and stir-fry until they turn opaque. Add in the cumin and stir to mix everything. Add in the potatoes, hominy, and chicken broth. Bring to a boil and then let it simmer until the chicken is cooked and the potatoes are soft. Have a taste and season with some salt as needed
When ready to serve, ladle the soup into a bowl and garnish with some tortilla chips, jalapeno peppers and cheese