Whole Wheat Penne with Asparagus and Chorizo

Ingredients

• • 3/4 lb (375 g) whole wheat penne
  • 6 oz (170 g) chorizo sausage, sliced (mild or spicy)
  • 1 shallot, thinly sliced 

  • 2 tablespoons (30 ml) olive oil
  • 1 lb (454 g) asparagus, trimmed and cut into 1-inch (2.5-cm) pieces
  • 1 cup (250 ml) chicken broth
  • 1/4 cup (60 ml) oil-packed sundried tomatoes, drained and thinly sliced
  • 1/4 cup (60 ml) chopped walnuts, toasted
  • 1/2 cup (125 ml) grated Parmigiano-Reggiano cheese
  • Salt and pepper