Heat oil in a 3qts pot at medium-high heat. Brown the lamb until well browned on all sides. Add onions saute until golden.
Once onions are golden, add all the dry spices. Give everything a good stir.
Add the stock, the tomatoes, the tomato paste. Cover and simmer until the lamb is very tender. About 30 minutes.
Add the chickpeas is simmer until it is tender
In a separate pan, saute the mint then combine with the soup.Add the lemon juice. Simmer a few minutes more.