To prepare a ground turkey soup with white rice recipe, you will first need to prepare your ingredients. You will need: 1 1/2 lbs. Ground turkey, 1 pound chopped celery, 1/2 cup chopped onions, 2 tablespoons chopped garlic, and 1 tablespoon chopped thyme. Place the turkey in the slow cooker and cook on low for 6-8 hours or on high for 8-10 hours.