Stovetop Method:
Heat olive oil in a large pot. Add onion, garlic, and bell pepper, sautéing until softened.
Stir in chili powder, cumin, and smoked paprika.
Add chicken breasts, diced tomatoes, black beans, corn, and chicken broth. Bring to a boil, then reduce to simmer for 20–25 minutes.
Remove chicken, shred with forks, and return to the pot. Adjust seasoning.
Meanwhile, bake tortilla strips at 375°F for 8–10 minutes until crispy (or fry until golden).
Ladle soup into bowls, top with tortilla strips and garnishes.
Crock Pot Method:
Place chicken breasts, onion, garlic, peppers, spices, beans, corn, tomatoes, and broth in slow cooker.
Cook on low for 6–8 hours or high for 3–4 hours.
Shred chicken before serving, then garnish with tortillas and toppings.