Ingredients

• 1 pound whole-wheat penne

  1 head radicchio , torn into 1-inch pieces

  1/2 cup freshly grated Parmesan cheese , divided

  2 teaspoons extra-virgin olive oil

  1 2-pound roasted chicken , skin discarded, meat removed from bones and shredded (4 cups)

  1/4 cup balsamic vinegar

  Freshly ground pepper to taste

  1/4 cup chopped walnuts

 

Directions

1. 1- Cook pasta in a large pot of boiling water until just tender, 8 to 10 minutes or according to package directions.
2. 2- Drain the pasta, reserving 1/4 cup of the cooking liquid. Place radicchio and the reserved liquid in the pot and cook over medium heat, stirring constantly, until wilted, 2 to 3 minutes. Stir in the pasta, 2 tablespoons Parmesan, oil, chicken, vinegar and pepper and continue cooking until the cheese starts to melt, 1 to 2 minutes. Serve the pasta garnished with walnuts and the remaining cheese.