2 pounds russet potatoes, peeled and quartered
2 tablespoons extra-virgin olive oil
2 leeks (white and light green parts only), halved lengthwise, sliced 1/2 inch thick and rinsed well
12 ounces ground beef
12 ounces ground lamb
Freshly ground pepper
2 large carrots, diced
2 cloves garlic, finely chopped
1 tablespoon Worcestershire sauce
1 tablespoon fresh thyme, chopped
3 tablespoons tomato paste
3/4 cup Irish stout (such as Guinness)
1 1/4 cups low-sodium beef broth
1 cup frozen peas
4 tablespoons unsalted butter
2/3 cup half-and-half
1 cup grated cheddar cheese (about 4 ounces)
Preheat the oven to 400 degrees F. Put the potatoes in a large saucepan, cover with cold water by 1 inch and season with salt. Bring to a boil, then reduce the heat and simmer until tender, 20 to 25 minutes.
Meanwhile, heat the olive oil in a large skillet over medium heat. Add the leeks and season with 1/2 teaspoon salt. Cook, stirring, until the leeks are soft but not browned, about 8 minutes. Transfer half of the leeks to a large bowl and set aside.
Add the beef and lamb to the skillet with the remaining leeks. Cook over medium heat, breaking up the meat, until no longer pink, about 6 minutes. Pour off any excess fat from the skillet; season the meat with 1/2 teaspoon salt and a few grinds of pepper.
Stir the carrots, garlic, Worcestershire sauce and thyme into the meat. Clear a space in the middle of the skillet and add the tomato paste. Cook the tomato paste, stirring, until slightly darkened, about 1 minute, then stir into the meat mixture. Pour in the stout and simmer until slightly reduced, about 2 minutes. Add the broth and bring to a simmer.
Cook, stirring, until the carrots are almost tender, about 5 minutes. Stir in the peas; reduce the heat to low and let simmer while you mash the potatoes.
Drain the potatoes and let cool slightly. Transfer to the bowl with the reserved leeks; add the butter, half-and-half and 1/2 teaspoon salt and mash well. Stir in 1/2 cup cheddar.
Spread the meat mixture in a 3-quart baking dish. Dollop the mashed potatoes on top, then spread with the back of a spoon. Sprinkle with the remaining 1/2 cup cheddar. Bake until bubbling around the edges and the topping is browned in spots, about 25 minutes. Let rest 10 minutes before serving.
You can assemble any of these dishes up to 2 hours ahead. Cover and refrigerate, then add about 10 minutes to the baking time.
Thanks for checking out the new Food Network recipe page! Please provide feedback on what you like or dislike.Take a Survey
Not digging it? 😥 Go back to the old look.
Get inspired with our best summer appetizers like crab dip, salsa, nachos and more from Food Network.
Round out your perfect picnic or cookout with summer side dish recipes for pasta salad, potato salad, coleslaw and more from your favorite chefs at Food Network.
Serve up a tasty treat this summer with our favorite summer desserts, including tarts, shortcake and ice cream, from your favorite chefs at Food Network.