Chicken Cacciatore with Spaghetti Squash Recipe Type: Entree Ingredients 1 medium spaghetti squash, split in half with seeds removed 1 medium onion, diced 4 boneless, skinless chicken breasts, diced 2 (6 oz) cans of tomato paste 1 cup sliced mushrooms Cayenne, to taste 1 bay leaf 4 garlic cloves, minced 1 teaspoon celery seed