In a small bowl, combine milk and corn starch. Set aside.In a large soup pot, heat butter over medium heat. Add butter. When butter is melted completely, add onion, garlic and red pepper. Cook for 8-10 minutes or until onions are translucent. Stir frequently.To the pot, add chicken, chicken broth (start with 5 cups and add more if needed),beans, cumin, paprika, and cayenne pepper. Let simmer for about 20 minutes.Add the milk/cornstarch mixture and frozen corn. Cook an additional 10 minutes or until soup is desired consistency. The longer you cook, the thicker it will get.