Malzu's slow cooked leg of lamb casserole with middle eastern flavours

1/2 leg of lamb (deep incisions)
salt to taste
3 tsp baharat spices
2 tbsp garlic puree
2 tsp lamb seasoning
1 tsp paprika
1 tsp mixed herbs
3 med onions (diced)
1 potato (bite size pieces)
1 carrot (sliced)
2 tbsp oil
1 cube stock concentrate, dissolved into 1/2 pint of water

Put potato and carrots into pot of slow cooker
Heat oil in a pan, fry onions, add everything else except lamb
Fry for a couple of minutes until oil seperates
Add meat and brown on all sides, pushing onion mixture into the incisions
Transfer meat and juices to the slow cooker pot
Add the stock
Slow cook for 8 hours

Serve with rice or cous cous