Spaghetti Squash Casserole
["1 spaghetti squash", "2 large carrot, diced", "2 stalks celery, diced", "1 large yellow onion, diced", "1 red bell pepper, diced", "2 Tbsp. olive oil", "1 large can (28 oz.) crushed tomatoes", "red pepper flakes", "1 tsp. dried basil", "1/2 tsp. dried oregano", "pinch of ground allspice", "3 cloves garlic, chopped", "3/4 lb. part-skim Mozzarella", "1/2 c. grated Parmesan cheese"]
["Place the spaghetti squash in a large pot of water (it should float) and bring to a boil. Lower heat. Cover and boil gently for 50 minutes."]
["squash", "carrot", "stalks celery", "yellow onion", "red bell pepper", "olive oil", "tomatoes", "red pepper", "basil", "oregano", "ground allspice", "garlic", "Mozzarella", "Parmesan cheese"]