-
1
In a large enameled cast-iron casserole, melt the butter.
-
2
Add the tomatoes, lamb, onion, cumin and 1 teaspoon each of salt and pepper and cook over moderate heat, stirring occasionally, until the onion is softened, about 10 minutes.
-
3
Stir in the 1 tablespoon of harissa and 4 cups of water and bring to a simmer.
-
4
Cover and gently simmer over low heat until the lamb is almost tender, about 45 minutes.
-
5
Meanwhile, in a large bowl, toss the couscous with the vegetable oil.
-
6
Stir in 6 cups of the water.
-
7
Drain the couscous in a fine sieve and return it to the bowl, fluffing it with your hands to remove any lumps.
-
8
Cover the couscous with plastic wrap.
-
9
Add the carrots, turnips and cabbage to the casserole.
-
10
Set a large bamboo steamer, lined with cheesecloth, over the casserole and bring the stew to a brisk simmer over moderate heat.
-
11
Spread 1/2 cup of the couscous in the steamer and steam for 5 minutes.
-
12
Gradually sprinkle the remaining couscous on top, mounding it slightly, and steam it over the stew for 20 minutes.
-
13
Scrape the couscous into a large, shallow bowl and sprinkle on the remaining 3/4 cup of water and 1 teaspoon of salt.
-
14
Fluff the couscous with a wooden spoon and let cool for 10 minutes, stirring occasionally with your hands to remove any lumps.
-
15
Add the eggplant, butternut squash and zucchini to the casserole and bring to a simmer over moderate heat.
-
16
Set the steamer over the stew once again and gradually sprinkle the couscous into it, mounding it slightly.
-
17
Let the couscous steam over the stew for 15 minutes longer.
-
18
Transfer the couscous to a large serving bowl; form a well in the center.
-
19
Season the lamb with salt and pepper, spoon it into the well and arrange the vegetables around it.
-
20
Pour the sauce around the couscous and serve with the harissa.