Preheat your oven to 375°F. Brush both sides of the tortillas lightly with olive oil, stack them, and cut into thin strips. Spread in a single layer on a baking sheet, season with a pinch of salt, and bake for 10-12 minutes until golden and crispy.
Season chicken breasts generously with salt and pepper. In a large Dutch oven or soup pot, heat 1 tablespoon olive oil over medium-high heat. Add chicken breasts and cook for 5-6 minutes per side until nicely browned and nearly cooked through. Remove to a plate.
In the same pot, add remaining tablespoon of oil. Add onion and cook for 3-4 minutes until translucent. Add garlic, jalapeños, and bell pepper, cooking for another 2-3 minutes until fragrant.
Add cumin, chili powder, oregano, and smoked paprika to the vegetables. Cook for 30-60 seconds, stirring constantly until fragrant.
Pour in chicken broth, scraping up any browned bits from the bottom of the pot. Add diced tomatoes and tomato sauce. Bring to a simmer over medium heat. Return the chicken breasts to the pot, reduce heat to low, cover, and simmer for 15-20 minutes until chicken is fully cooked and tender.
Remove chicken, shred it using two forks, and return to the pot. Add black beans and corn. Simmer uncovered for another 5 minutes.
Stir in lime juice and cilantro just before serving. Ladle into bowls and top with the baked tortilla strips and your choice of garnishes.