Tunisian Orange Chicken With Couscous Recipe

Ingredients

• 1 (3 lb) whole chickens, cut in 8 pieces
• 1 large onion, cut crosswise in 1/4-inch-thick slices and separated into rings
• 1 cup celery, sliced
• 1 small garlic clove, crushed
• 1 1/2 tablespoons all-purpose flour
• 1/2 teaspoon sugar
• 1 tablespoon ground cumin
• 2 teaspoons paprika
• 1 teaspoon salt
• 1/4 teaspoon fresh ground black pepper
• 1 large tomatoes, cored and chopped
• 1 cup orange juice
• 2 large navel oranges, peeled and cut crosswise into 1/2-inch-thick slices
• 1/2 cup small pitted ripe black olives
• 1 1/2 cups water
• 2 tablespoons butter or 2 tablespoons margarine
• 1/2 teaspoon salt
• 1 cup couscous
• watercress leaf, for garnish (optional)
• 1 navel orange, sliced, for garnish (optional)