Choose lamb for this version.
Shepherd’s pie traditionally uses lamb. A beef version is called cottage pie; poultry needs a different initial cooking temperature and is not a direct swap here.
Find a recipe Ground lamb and vegetables beneath a fork ridged mashed potato topping. Prepare the potatoes and filling side by side, then bake in one small family baking dish.

Recipe draft · Reviewed editorially, not kitchen tested by us. Prep: about 20 minutes. Cooking: about 50 minutes. Rest: at least 10 minutes, included in the total. Times vary with equipment and ingredient size. Contains wheat and milk. Check broth and tomato paste labels for other allergens.
Heat oven to 400°F (200°C). Put potatoes in a pot, cover with cold water and salt the water lightly. Bring to a boil and simmer until a knife enters the largest piece easily, about 15 to 20 minutes after boiling.
Prepare the filling while the pot heats. The 50 minute cooking allowance includes heating the water and baking.
Heat oil in the skillet over medium heat. Cook onion and carrots for 8 to 10 minutes, stirring. Add garlic for 30 seconds, then lamb. Break it into small pieces and cook through to 160°F (71°C), checking several areas.
Color is not a reliable safety check. Spoon off excess rendered fat carefully if it pools.
Stir in tomato paste, flour and thyme for 1 minute. Add broth, peas, pepper and half the measured salt. Simmer for 5 to 8 minutes, until the sauce coats the meat and carrots are tender.
A spoon drawn across the skillet should leave a brief track. A watery filling can seep through the topping.
Drain potatoes well. Mash with butter, warm milk and remaining measured salt. Spread hot filling in the 8 inch (20 cm) square dish, at least 2 inches (5 cm) deep. Spoon mash in small piles and join gently; draw shallow fork ridges.
Start around the edges so spreading the topping does not push the filling up the sides.
Set the dish on a rimmed tray. Bake for about 20 to 25 minutes, until the top has golden tips and the center reaches 165°F (74°C). Rest for 10 minutes before serving.
Bubbling at the edges does not show the temperature in the middle. This recipe starts with a hot filling.
Shepherd’s pie traditionally uses lamb. A beef version is called cottage pie; poultry needs a different initial cooking temperature and is not a direct swap here.
The filling and topping need room below the rim. A shallow pie plate is not the specified dish; place the square dish on a tray to catch drips.
Divide into shallow containers and refrigerate within 2 hours, or 1 hour above 90°F (32°C). Keep at 40°F (4°C) or below for 3 to 4 days. Reheat covered to 165°F (74°C) in the center.
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