Ham With Port Raisin Sauce

• 2 tawny
• 2 tbs brown sugar (light)
• 2 tbs water (cold)
• 1 tbs cornstarch dissolved in
• 1 pierce the ham all over with the tip of a sharp knife
• 3,300 gr slow-cooker
• 1,100 gr smoked ham (boneless)
• 85 gr dark raisins
• 80 ml double-strength beef broth
• 80 ml water