Cider-Braised Ham with Yams and Apples

Ingredients

• 1 tbsp Dijon mustard
• 1 tbsp finely chopped peeled fresh ginger
• 1⁄2 tsp ground cloves
• 1 cup and 1 tbsp apple cider
• 1 yam or sweet potato, peeled and cut into 3-mm (1⁄8-in.)-thick slices
• 500 g (1 lb) lean ham steak
• 1 Granny Smith apple, peeled, cored and cut into 12 wedges
• 1 tbsp cornstarch
• 1⁄2 cup diagonally sliced green parts of scallions