In a 5-quart slow cooker combine turkey, undrained tomatoes, beans, tomato sauce, squash, onion, the 1/2 cup chicken broth, corn, cranberries, jalapeno pepper, chili powder, and garlic.
Cover and cook on low-heat setting for 10 to 12 hours or on high-heat setting for 5 to 6 hours. If desired, stir in additional broth to reach desired consistency. Stir in spinach just before serving. Sprinkle each serving with cheese. Makes 6 servings.