Ziti with Broccoli and Sausage - Lidia

Ingredients

• ½ pound sweet Italian sausage
• 2 pounds broccoli di rabe
• 3 teaspoons coarse salt
• 1 pound ziti
• ¼ cup olive oil
• 3 large cloves garlic, crushed
• ¼ teaspoon salt
• ¼ teaspoon hot pepper flakes
• 1 cup chicken stock (see here)
• ½ cup grated Parmigiano