Add 1 lb shredded cooked chicken, 31 oz Great Northern beans, 1 cup frozen corn, 4 oz diced green chiles, 12 oz chicken broth, 1 tsp ground cumin, 0.5 tsp black pepper, and 0.5 tsp salt. Stir to combine.
Bring to a gentle simmer and let the stew cook for 10 minutes.
Reduce heat to low. Stir in 0.5 cup heavy cream and 0.5 cup sour cream, then simmer for an additional 5 minutes.
Remove the pot from the heat. Mix in 0.5 cup of the shredded cheddar cheese and 0.25 cup chopped fresh cilantro.
Ladle into bowls and garnish with the remaining 0.5 cup shredded cheddar cheese.