Chicken Tortilla Soup {Instant Pot, Stovetop, Slow Cooker}

Name: Chicken Tortilla Soup {Instant Pot, Stovetop, Slow Cooker}
Prep time: 50 min
Cook time: 7 min
Total time: 57 min
Cuisine: American
Ingredients: 1-2 teaspoons olive oil; 1/2 cup diced onion; 2 cloves garlic (finely minced); 1 jalapeno (seeded and finely diced); 1 medium red or green bell pepper (seeded and diced); 1 teaspoon salt; 1/2 teaspoon black pepper; 5 cups low-sodium chicken broth; 1 (8-ounce) can tomato sauce; 1 (15-ounce) can diced tomatoes (undrained); 1 (15-ounce) can black beans (rinsed and drained); 2 teaspoons chili powder; 1 teaspoon dried oregano; 1/2 teaspoon ground cumin; 1 1/2 to 2 pounds boneless, skinless chicken breasts (cubed into 1-inch pieces (about 3 medium breasts)); 3 to 4 corn tortillas (chopped (see note)); 1 cup frozen corn kernels; 1-2 tablespoons fresh lime juice; Toppings: sour cream