Mix the flour, oregano, salt and pepper together in a shallow bowl. Dredge the chicken beasts until covered completely, shake off excess. Heat the oil in a large non-stick skillet; add chicken breasts and brown well on both sides. Turn heat to low; pour tomatoes and olives over chicken, top with Feta cheese. Cook for 5 - 8 minutes or until the cheese is melted.
Per Serving: 382 Calories (42.2% from fat); 18g Fat (6g Sat, 13g Mono, 2g Poly); 39g Protein; 16g Carbohydrate; 2g Dietary Fiber; 107mg Cholesterol; 887mg Sodium. Food Exchanges: 1/2 Grain (Starch) 5 Lean Meat; 1 1/2 Vegetable; 3 Fat.