Spice Crusted Ham with Maple Mustard Sauce

Ingredients

• 1 tablespoon peppercorns mixed white green black (containing , pink, , and peppercorns but not allspice)
• 0.5 cup dijon mustard 
• 1 tablespoon flour all-purpose
• 4  garlic cloves 
• 8 pound shank-end ham fully cooked
• 0.3 cup grade b maple syrup 
• 1.5 teaspoons sea salt fine
• 3 tablespoons butter unsalted softened
• 1 tablespoon coriander seeds whole

Equipment

• bowl
• oven
• roasting pan
• kitchen thermometer

Directions

1. Preheat oven to 350 degrees F.
2. Remove any thick skin from ham and all but about 3/4-inch layer of fat.
3. Mince and mash garlic with salt to a paste. Coarsely grind coriander and peppercorns in coffee/spice grinder and stir together with flour, butter, and garlic paste in a bowl.
4. Spread spice paste all over ham, then put ham, cut side down, in a greased large roasting pan.
5. Bake in middle of oven until crust is golden and an instant-read thermometer inserted into center (do not touch bone) registers 150 degrees F, about 1 1/4 hours.
6. Transfer ham to a platter and let stand 15 minutes before slicing.
7. Garnish with parsley.
8. For Sauce: Stir together mustard and maple syrup until combined well.
9. Serve with ham.
10. Cook's note: Sauce can be made 2 days ahead and chilled, covered. Bring to room temperature before serving.
11. Garnish: 2 large bunches fresh flat-leaf parsley .
12. Special equipment: an electric coffee/spice grinder .