Ragu Bolognese

Ingredients

• 1/2 pound Italian turkey sausage links, casings removed
• 1 large carrot, finely chopped
• 1 celery rib, finely chopped
• 1 small onion, finely chopped
• 1 can (15 ounces) crushed tomatoes
• 1/2 cup reduced-sodium chicken broth
• 2 tablespoons balsamic vinegar
• 1/4 teaspoon crushed red pepper flakes
• 3/4 cup fat-free milk
• 4 cups uncooked whole wheat spiral pasta
• 2 tablespoons prepared pesto
• 1 tablespoon chopped ripe olives