Fish Couscous from Djerba

In Tunisia, fish couscous can be a simple affair or an elaborate presentation. Chickpeas are usually added, along with assorted vegetables. In Djerba, five vegetables are used: onions, garlic, tomatoes or tomato paste, green bell peppers, and chickpeas. For Rosh Hashanah you could do this with the classic seven vegetables: onions, tomatoes, sweet potatoes or pumpkin, chickpeas, carrots, turnips, zucchini or greens. In some versions, the sauce is pureed and the plate decorated with strips of