Lamb Stock
Trim the lamb shoulder, removing any skin or sinew (cut it small and add it to the lamb trim)
Cut the lamb trim into small pieces, brown off in a pot, drain off any fat that’s produced in a sieve or colander.
Place the meat back in the pot and deglaze with some of the lamb stock (scrape the bottom of the pot with a wooden spoon) pour the rest of the stock in.
Add the bay leaves, thyme, and garlic to the stock.
Allow the stock to gently simmer for 1 hour.
Pastry
Mix the flour and salt together.
Dice the butter into small pieces, add to the flour and mix with your hands- rubbing the flour until all the butter is incorporated and it’s like breadcrumbs. (This can also be done in a stand mixer with the paddle attachment)
Mix the egg yolks, water, and milk together, add to the flour mix.
Mix until it forms a dough, divide into 2 pieces and shape into cylinders, flatten slightly and wrap in cling film and chill in the fridge for 2-3 hours.
Lamb Pie Mix
Cut the Lamb shoulder into 1-inch pieces, brown off in a pot. Take out and keep for later.
Peel and thinly slice the onions, gently sweat in the same pot after 5 minutes add in all the spices, seeds, and salt. Cook for 5 minutes.
Add in the harissa and tomato paste, cook for a few minutes. Place the lamb shoulder back in the pot with the onions.
Strain the lamb stock, and skim off any fat that has collected with a ladle then add to the lamb. Gently simmer for 1 – 1 ½ hours until the lamb is tender.
Quarter the leeks and chop into 1cm pieces, add to the lamb, cook for 5 minutes.
Preheat your oven to 180 degrees C.
Roll both pieces of pastry to ½ cm thickness, turn the pie dish upside down and place it on top of the pastry, allow for an extra 1 1/2 inches and cut around the dish. (Keep the scraps)
Separate the pie mix into both dishes and cover with pastry, pinching it underneath the edges.
Brush the pastry with egg wash.
Make a hole in the centre to place a chimney in – if you don’t have one, tinfoil works very well – fold a small piece over and roll it around a pen, insert it into the hole.
Optional extra – I like to garnish my pastry with shapes of pastry, and it’s a great way to use up any excess pastry. Brush them with egg wash as well.
Place in your oven for 20-25 minutes.
Buttermilk Dressing
Whisk all the ingredients together. Separate the leaves, wash and drain in a colander. Season with sea salt, drizzle with buttermilk dressing.