Turkey Shepherd's Pie with Mixed Vegetables & Parmesan Potatoes

Name: Turkey Shepherd's Pie with Mixed Vegetables & Parmesan Potatoes
Cook time: 35 min
Total time: 35 min
Yield: 4 servings
Ingredients: 2 medium carrots; 20 fl oz chicken or vegetable broth; ½ cup frozen corn; ½ cup frozen peas; 4 cloves garlic; 1 ½ lb ground turkey; 1 small bunch Italian (flat-leaf) parsley; 1 oz Parmesan cheese; 2 tbsp tomato paste; 1 medium yellow onion; 4 medium yellow potatoes; 2 tbsp all-purpose flour; ¼ tsp black pepper; 2 tbsp butter, unsalted; 2 tbsp extra virgin olive oil; ½ tsp garlic powder; 1 tsp rosemary, dried; ¾ tsp salt; 1 tsp thyme, dried; 4 tsp Worcestershire sauce