In large saucepan, cook noodles to desired doneness as directed on package. Drain; rinse with hot water. Set aside. Brown turkey in large skillet; drain. Stir in tomato sauce, tomato paste, sugar, basil, garlic powder, oregano and pepper. Stir in noodles.
In medium bowl, combine cheese, sour cream, milk and onion; beat until smooth. Spoon half of noodle mixture in 12 x 8-inch (2-quart) baking dish.
Top evenly with cheese mixture. Spoon spinach evenly over cheese mixture; top with remaining noodle mixture. Bake at 350 for 35 to 40 minutes or until thoroughly heated.
1/8 of recipe: 300 calories, 22 g carbohydrate, 15 g fat