Rinse the ham in under cold water.
Put the ham with in a large casserole.
Insert a meat thermometer in the middle of the ham. Pour over the water so it barely cover the ham.
When the water is boiling lower the heat.
Add in the allspices and bay leaves in the casserole.
Let the ham boil in water until the thermometer shows 70-72 degree Celsius. It takes approx. 40-60 minutes per kg ham.
Remove the ham from the casserole.
Preheat the oven to 250 degree Celsius.
Mix the mustard, syrup, potato flour, and egg yellows in a bowl.
Cut away the rind of the ham and then dry the ham with a towel.
Place the ham in a oven form.
Spread the mixture on top of the ham, and then sprinkle the breadcrumbs on the ham.
Put the ham in the middle of the oven for approx 10-15 minutes.
Take out the ham from the oven and let it cool down.
Before serving cut the ham in thin slices.