Traditional Shepherd's Pie

By NicoleMcmom

4.5 / 5

20min

1h 05min

See on AllRecipes

3 pounds Yukon Gold potatoes
1 tablespoon kosher salt
¼ cup milk
3 tablespoons salted butter divided
1 cup shredded white Cheddar cheese
¼ cup sour cream
1 large egg yolk
2 teaspoons kosher salt divided
1 teaspoon ground black pepper divided
1 tablespoon olive oil
1 cup diced onion
1 cup diced carrot
1 pound ground lamb
1 pound ground beef sirloin
3 tablespoons all-purpose flour
1 teaspoon fresh rosemary finely chopped
1 teaspoon finely chopped fresh thyme
1 cup beef stock
1 tablespoon tomato paste
1 tablespoon Worcestershire sauce
1 cup frozen green peas
1 tablespoon chopped fresh parsley or to taste