Rigatoni Panggang dengan Bayam, Provolone, dan Kalkun

Bahan-bahan (10 porsi)

• 2 yellow onions
• 6 cloves garlic
• 1 medium kabocha or butternut squash, peeled and cubed, about 4-5 cups
• 4 cups vegetable broth
• salt + pepper + dried oregano
• 1/2 cup cream or half and half
• 1 lb . ground turkey
• 2 cups packed fresh spinach
• 1 cup grated Provolone cheese
• 1 lb . whole wheat rigatoni