roast lamb with sauce and vegetables on a plate

Roast lamb with mustard cream sauce

Recipe cooking time
Serves 6-8


  1. Combine the oil, rosemary, garlic and mustard in a large shallow dish. Spread over the lamb and refrigerate for at least one hour, or overnight if possible.
  2. Preheat the oven to 200˚C/180˚C fan/gas mark 6. Remove the lamb from the marinade and place in a roasting tin. Cover with foil and bake for 30 minutes.
  3. Remove the foil and cook for another 50-60 minutes until cooked to your liking, basting occasionally with the marinade.
  4. Meanwhile, heat the oil for the sauce in a saucepan over a medium heat. Add the onion and garlic and cook for 5-7 minutes until soft.
  5. Add the wine and simmer, uncovered, until reduced by about half. Add the stock cube and Avonmore Cooking Cream. Bring to a simmer, then reduce the heat to low.
  6. Remove from the heat and stir in the mustard. Serve the lamb with the sauce poured over.


  • 100ml olive oil
  • 4 sprigs of rosemary, leaves chopped
  • 4 garlic cloves, crushed
  • 2 tbsp wholegrain mustard
  • 1.5kg leg or shoulder of lamb

For the mustard cream sauce:

  • 2 tsp olive oil
  • 1 onion, chopped
  • 1 garlic clove, crushed
  • 180ml white wine
  • 1 chicken stock cube
  • 400ml Avonmore cooking cream
  • 2 tbsp wholegrain mustard

Roast lamb with mustard cream sauce