In a small bowl, MIX oil and garlic; ADD to a large saucepan over medium high heat, ADD chicken and onion; SAUTE until chicken is no longer pink.
ADD beans, broth,chilies, salt, cumin, oregano, black pepper, and cayenne pepper; SIMMER, uncovered, for 30 minutes.
REMOVE from heat; STIR in sour cream and whipping cream.
Per Serving (excluding unknown items): 801 Calories; 21g Fat (23.1% calories from fat); 55g Protein; 102g Carbohydrate; 32g Dietary Fiber; 88mg Cholesterol; 682mg Sodium. Exchanges: 6 Grain(Starch); 4 1/2 Lean Meat; 1 Vegetable; 0 Non-Fat Milk; 3 1/2 Fat.