How to Make It
Combine flour and 1/4 cup milk in a small saucepan, stirring until smooth. Gradually add remaining milk and wine. Cook over medium heat, stirring constantly, until thickened and bubbly. Add pesto, salt, and pepper, stirring well.
Cook pasta according to package directions, omitting salt and fat; drain. Add pesto mixture; toss well. Sprinkle with cheese.
Cooking Light The Lazy Gourmet