In a large pot, cook chicken and onion over medium heat until lightly browned.
Add garlic; cook 1 minute longer.
Stir in the chicken broth, chiles, cumin, oregano and cayenne; bring to a boil then reduce heat to low.
Mash 1 can of the white beans with a potato masher or pastry blender until quite smooth. Add mashed and whole beans to the pot. Simmer for 20-30 minutes.
Serve as is or with optional toppings listed above!
Recipe by This Week for Dinner at https://thisweekfordinner.com/white-chicken-chili-recipe/