In saucepan, heat 1 tablespoon olive oil over medium-to-low heat. Add 1½ teaspoons onion, 1½ tablespoons carrots, and 1½ tablespoons celery, and cook for 10 minutes.
1 tablespoon olive oil, 1½ teaspoons onion, 1½ tablespoons carrots, 1½ tablespoons celery
Stir in 1 tablespoon tomato paste and 1 teaspoon smoked paprika and cook for additional five minutes.
1 tablespoon tomato paste, 1 teaspoon smoked paprika
Incorporate 1 cup chicken broth and 3 ounces skinless chicken breasts. Simmer for 10 minutes.
1 cup chicken broth, 3 ounces skinless chicken breasts
Season with 1 pinch salt and 1 pinch black pepper, and garnish with 1 teaspoon scallion.
1 pinch salt, 1 pinch black pepper, 1 teaspoon scallion
Ladle soup into bowls and top with 1 avocado slice, 2 teaspoons cheddar cheese, and 1 teaspoon sour cream.
1 avocado slice, 2 teaspoons cheddar cheese, 1 teaspoon sour cream
Serve with low-carb tortilla chips or keto crackers for added crunch.