Roast Gammon with Ginger Beer Recipe

Ingredients

• 1 x 1.7kg good-quality, dry cured gammon joint, rinsed
• 1 x 330ml can ginger beer
• 2 tablespoons ginger preserve
• 1 teaspoon oil
• 1 onion, peeled and roughly chopped
• 2 clementines, peeled and broken into segments
• 2 tablespoons brown sugar
• 1 tablespoon ginger preserve
• 3 tablespoons orange juice