"In the late 18th Century, potatoes (native to the Americas) finally won favor in the U.K. One of the most delicious results was shepherd’s pie—now a classic comfort food. So named for its use of lamb, it consists of a hearty filling baked under a crust of mashed potatoes. We’re making our filling with lamb, beef, green beans and mushrooms, all simmered in a flavorful sauce. And our crust features perfectly-textured Yukon Golds. If you’d like, use a fork to create a crisscrossing pattern in the surface of your pie before it goes into the oven!..."