In a medium saucepan, heat the oil over medium heat; add the mushrooms and saute for about 5 minutes. Pour in marinara sauce; reduce heat to low; cover and simmer for 10 minutes. Stir in basil. Spoon sauce over pasta in a large wide bowl, sprinkle with Parmesan and serve.
Per Serving: 541 Calories (15.8% from fat); 9g Fat (2g Sat, 4g Mono, 2g Poly); 19g Protein; 94g Carbohydrate; 5g Dietary Fiber; 4mg Cholesterol; 362mg Sodium. Food Exchanges: 6 Grain (Starch); 1/2 Lean Meat; 1 Vegetable; 1 1/2 Fat.