How to Make It
Place 1/2 cup stock and 1 can beans in a blender, and blend until smooth. Heat olive oil in a large Dutch oven over medium-high. Add onion; sauté 4 minutes. Add garlic; sauté 2 minutes. Sprinkle flour over pan; cook 1 minute. Stir in cumin and chiles; cook 1 minute. Add bean mixture, remaining 1 cup stock, remaining 1 can beans, 1/4 teaspoon pepper, and salt; bring to a boil.
Reduce heat to medium; simmer 5 minutes or until slightly thickened. Add chicken; cook 2 minutes. Stir in juice. Divide chili among 4 bowls; top evenly with radishes, sour cream, cilantro, avocado, and remaining 1/4 teaspoon pepper.