In a small mixing bowl or jug, whisk together the juice, brown sugar and mustard until glossy.
After 40 minutes remove your baked ham from the oven.
Pour over approximately half the glaze, use a pastry brush to make sure the glaze gets into all the nooks and crannies of the diamond-shaped cuts you have made in the fat layer of the ham.
Return your ham to the oven for another 20 minutes.
Remove your baked ham from the oven, pour over the remaining glaze, and use a pastry brush to make sure the glaze gets into all the nooks and crannies of the diamond-shaped cuts you have made in the fat layer of the ham.
Return your ham to the oven for another 20 minutes.
Check the temperature of your ham, it should have reached 60 degrees celsisu.
Enjoy