Shepherd's Pie: The Actual Version, with Lamb
Shepherd's pie is not a sophisticated dish. It is mince and mashed potatoes. What makes it good or mediocre comes down to two things: the seasoning in the filling and the quality of the mash on top.
Both require more attention than the recipe suggests.
The filling
Start with a large onion and two carrots, diced small. Cook in a little oil over medium heat for about ten minutes until soft. Add two garlic cloves, a tablespoon of tomato paste, and a teaspoon of fresh thyme. Cook for two more minutes.
Add about 500g of lamb mince and break it up in the pan, browning it properly. This takes about eight minutes. Do not rush the browning — grey mince produces a flat-tasting filling.
Add a splash of red wine if available, let it reduce, then add 250ml of lamb or chicken stock and a generous glug of Worcestershire sauce. Simmer uncovered for about 20 minutes until the sauce has thickened and is coating the mince rather than sitting as liquid around it. Taste and adjust salt.
The filling should be moist but not wet. If it goes into the dish watery, the bottom of the mash will steam and go soggy.
The mash
Boil floury potatoes — about 800g — until completely soft. Drain and leave them in the colander for five minutes to steam dry. Rice them or mash thoroughly. Add a generous amount of butter, warm milk or cream, and salt. Beat until smooth. Taste it. Good mash is seasoned properly and genuinely buttery. Under-seasoned mash makes the whole dish taste flat.
Assembly and baking
Spread the filling in a deep baking dish and level it out. Spoon the mash over the top and spread it to the edges, sealing the filling in. Drag a fork across the surface to create ridges.
Bake at 190°C for 25 minutes until heated through, then switch to the grill for three to four minutes to brown the peaks of the mash. Let it sit for five minutes before serving.
Eat with a green vegetable on the side. This is not the night to overthink it.
Frequently Asked Questions
The filling. Shepherd's pie uses lamb mince — shepherds tend sheep. Cottage pie uses beef mince. The potato topping is identical. Calling a beef version shepherd's pie is technically wrong, though most people will still eat it.
Yes, and it is arguably better. Finely chop the leftover lamb rather than using it in large chunks, add it to the softened vegetables with stock and Worcestershire, and proceed as normal. The flavour from slow-roasted lamb gives the filling more depth than fresh mince.
Make sure the mash is not too wet before it goes on. Spread it in an even layer, then run a fork over the top to create ridges — the peaks catch heat and brown faster. Finish under the grill (broiler) for three to four minutes after the main bake for a deeper golden crust.
It freezes well before baking. Assemble it completely, cover tightly, and freeze. Bake from frozen at 180°C for about 50 minutes covered with foil, then uncover for the last 15 minutes to brown the top.
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