Shepherds Pie

Name: Shepherd’s Pie
Ingredients: 1 tablespoon vegetable oil; 1 large onion, peeled and chopped; 1 large carrot, peeled and chopped; 1 pound ground lamb (or substitute half with another ground meat); 1 cup chicken broth; 1 tablespoon tomato paste; 1 teaspoon chopped fresh or dry rosemary; 1 tablespoon chopped Italian parsley; 1 cup frozen peas; 2 pounds russet potatoes, peeled and cut into chunks; 6 tablespoons unsalted butter; ½ cup milk; Kosher salt to taste; Special equipment: 1½-quart baking dish, potato masher