2nd Oct 2023
The hardest thing about gathering the ingredients for this is having enough leftover lamb after the Sunday joint. But you can always buy a bit extra diced lamb, neck fillet or flank and mince it yourself to bump it up.
Feeds 4-5 people Oven temperature: 180ºC (160ºC fan)/gas 4
For the filling:
Cook the potatoes in boiling, salted water for about 25 minutes until they are soft.
Meanwhile, heat the oil in a frying pan and cook the onion and finely chopped carrots for a few minutes. Add the mushrooms and cook for a few more minutes.
If you are using raw lamb, add this to the pan and cook, stirring, until the meat is browned. Drain off any excess fat from the lamb.
Meanwhile, make up the stock in a jug and add the ketchup, mustard powder and and Worcester/Dorsetshire sauce to the stock.
Pour the stock mixture into the frying pan, and add thyme and salt and pepper to taste.
If you are using cooked lamb or Quorn mince, add to the pan at this point and let the mixture bubble up gently
for 7 minutes or so. If it is looking dry, add a bit more stock.
Spoon the mixture into an ovenproof dish.
Drain the potatoes and mash well with the butter, adding a splash of milk at the end to make the mash more creamy and smooth.
Spoon the mash over the lamb mixture in the dish until completely covered, and drag the back of a fork across the potato to make furrows. Dot with a little butter and bake in the oven for about 25 minutes, or until the potatoes are just starting to brown.
Allow to cool a little before serving with a generous portion of peas.
Variation: Make a three root mash by adding swede and parsnips to the potatoes.
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