Making Chicken Tortilla Soup can be straightforward if you follow these steps:

1. Heat the Oil: In a large pot, heat the vegetable oil over medium heat.
2. Sauté Vegetables: Add the diced onion, garlic, jalapeño, and bell pepper. Sauté for about 5 minutes, until softened.
3. Add Spices: Sprinkle in the cumin, smoked paprika, and chili powder. Stir to combine, allowing the spices to toast for about 1 minute.
4. Pour in Broth: Add the chicken broth to the pot. Increase the heat until it starts to simmer.
5. Incorporate Ingredients: Stir in the black beans, corn, shredded chicken, and diced tomatoes. Season with salt and pepper to taste.
6. Simmer: Reduce the heat to low and let the soup simmer for about 20-25 minutes, allowing the flavors to meld.
7. Prepare Tortilla Strips: While the soup simmers, heat a small amount of oil in a pan over medium heat. Fry the tortilla strips until crispy and golden. Remove and drain on paper towels.
8. Adjust Seasoning: After simmering, taste and adjust seasonings if necessary.
9. Serve: Ladle the soup into bowls, and top with crispy tortilla strips, fresh cilantro, avocado slices, and cheese if desired.

By following these steps, you can easily create a wonderful Chicken Tortilla Soup that will impress anyone lucky enough to share it!