Sweet Potato Turkey Shepherds Pie

Name: Sweet Potato Turkey Shepherds Pie
Ingredients: 1-1/2 lbs sweet potatoes, peeled, diced; 3 cloves garlic; 1/2 cup 1% milk; 1/4 cup fat free chicken broth*; 2 tbsp reduced fat sour cream; salt and pepper to taste; 1 lb 93% lean ground turkey; 1 tsp olive oil; 1 medium onion, diced; 1 celery stalk, chopped; 1 parsnip, diced; 2 cloves garlic, diced; 8 oz mushrooms, diced; 10 oz frozen mixed vegetables; 2 tbsp flour (leave out to make gluten-free); 1 cup fat-free low-sodium chicken broth*; 2 tsp tomato paste; 1 tsp Worcestershire sauce; 1 tsp freshly chopped rosemary; salt and pepper; paprika