Spaghetti Squash with Italian Herb Chicken

Ingredients

• 2 (1½ lb) squash
• 1 lb skinless boneless chicken breasts, cut into 1-inch cubes
• 1 jar of Monte Bene Garlic Marinara
• 2 cups chopped yellow onion (from 1 large onion)
• 5 cloves garlic, chopped (about 2 tablespoons)
• 1½ tablespoons olive oil
• Optional: ½ teaspoon crushed red pepper
• Optional: ¼ cup shredded Mozzarella cheese
• Optional: ¼ cup shredded Parmesan cheese