Victorian Elegant English Shepherd's Pie | DishGen Recipe

Ingredients

• 1 1/2 pounds ground lamb
• 2 tablespoons unsalted butter
• 1 large onion, finely chopped
• 2 carrots, diced
• 2 cloves garlic, minced
• 1/2 cup frozen peas
• 1/2 cup beef broth
• 2 tablespoons Worcestershire sauce
• 1 tablespoon tomato paste
• 1 teaspoon fresh rosemary, chopped
• 1 teaspoon fresh thyme, chopped
• Salt and black pepper to taste
• 3 pounds Yukon Gold potatoes, peeled and quartered
• 1/2 cup whole milk
• 1/4 cup heavy cream
• 1/4 cup grated Parmesan cheese
• 2 tablespoons chopped fresh parsley
• 1 large egg yolk