In a large skillet heat the oil over medium heat; add the onions and garlic; saute briefly. Add tomatoes, salt, pepper and thyme; cook about 5 minutes. Mix in cheese; add cooked pasta, tossing until well mixed. Serve hot.
Per Serving: 495 Calories (39.5% from fat); 22g Fat (4g Sat, 14g Mono, 2g Poly); 13g Protein; 62g Carbohydrate; 3g Dietary Fiber; 8mg Cholesterol; 229mg Sodium. Food Exchanges: 4 Grain (Starch); 1/2 Lean Meat; 1 Vegetable; 4 Fat.