1 smoked gammon or ham joint,
For the spiced cola:
1-2 litres cola (enough to cover joint just over halfway in pan)
Salt and pepper to season,
1/2 tsp ground ginger,
1 tsp ground cinnamon,
1/2 tsp garlic granules,
4 whole cloves,
1 stick celery, chopped into chunks,
2 carrots, chopped roughly,
1/3 rd red onion, chopped into chunks,
For the bottom of the basting pan:
3 carrots, roughly chopped,
2/3 rds a red onion, chopped,
1 stick celery, chopped,
Some water
For the basting glaze equal parts:
Maple syrup,
Organic honey,
Dijon mustard