Foryoueats: Shepherd's Pie

Ingredients

• Meat Mixture:
• 1.5 teaspoon kosher salt
• 1/4 teaspoon freshly ground black pepper
• 1 cup chopped onion
• 2 carrots, peeled and diced small
• 2 cloves garlic, minced
• 2 pounds ground lamb
• 3 tablespoons all-purpose flour
• 2 teaspoons tomato paste or 1/2 cup tomato sauce
• 1 cup chicken broth
• 2 teaspoon Worcestershire sauce
• 1 teaspoon freshly chopped rosemary leaves
• 2 teaspoon freshly chopped thyme leaves
• 1/2 cup fresh or frozen corn kernels
• 1/2 cup fresh or frozen English peas
• 1/2 tsp chilli flakes
• Mashed Potatoes:
• 2 pounds russet potatoes
• 1/3 cup half-and-half
• 6 tbsp unsalted butter
• 1 egg yolk