White Chicken Chili

White Chicken Chili 1 lb boneless skinless chicken breast, cut into 1/2 inch cubes 1 medium onion 1 1⁄2 teaspoons garlic powder 1 tablespoon vegetable oil 2 (15 1/2 ounce) cans great northern beans, rinsed and drained 1 (14 1/2 ounce) can chicken broth 1 teaspoon salt 1 teaspoon oregano 1⁄2 teaspoon pepper 1⁄4 teaspoon cayenne pepper 1 cup sour cream 1⁄2 cup whipping cream 2 (4 ounce) cans diced green chilies In large saucepan, saute chicken, onion and garlic powder in oil til chicken is no longer pink. Add beans, chilies and seasonings and chicken broth. Bring to a boil. Reduce heat and simmer (uncovered) for 30 minutes. Remove from heat, stir in sour cream and whipping cream. Serve immediately.