Gather all your ingredients to make the cooking process smoother.
Prepare your chicken by shredding it into bite-sized pieces.
In a large pot, heat olive oil over medium heat. Add diced onion and bell pepper, sauté for 5 minutes. Stir in minced garlic and cook for an additional minute.
Combine black beans, corn, enchilada sauce, diced tomatoes, and chicken broth in the pot. Stir well and add shredded chicken. Season with salt and pepper.
Bring the soup to a gentle simmer and cook for 15-20 minutes, stirring occasionally.
Serve the soup hot, topped with shredded cheese, sour cream, and cilantro. Add tortilla chips on the side.