This quantity will feed 50 people.
Do not add too much stock or the sauce with be watery. If so, mix some corn starch with cold water and add that to the sauce. It will thicken when boiling again. The amount of corn starch will determine how thick the sauce is.
VariationsAdd some chopped whole almonds without cooking them too long so they stay crunchy.
Replace the sweet potato with butternut squash.
This dish is traditionally prepared in a tajine, a traditional earthenware North-African slow cooker.