Ingredients
1 fully cooked bone-in ham (8 to 10 pounds)
1 cup root beer
2/3 cup packed brown sugar
1/2 cup honey
1/4 cup dijon mustard
1 tablespoon cornstarch
1 tablespoon cold water
1/4 teaspoon ground cinnamon
Directions
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Preheat the oven to 325°F.
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In a saucepan, combine root beer, brown sugar, honey, and mustard. Bring this mixture to a boil over medium-high heat, stirring occasionally.
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Reduce the heat and allow it to simmer for 10-12 minutes, or until it's reduced 1 1/2 cups.
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Remove the glaze from the heat and set it aside.
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Score the ham with shallow cuts in a diamond pattern. Place the ham flat-side down in a large roasting pan.
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Brush ham with 1/2 cup of the root beer glaze before covering it with foil. Bake it for 1 1/2 to 2 hours, or until a thermometer inserted in the thickest part of the ham read 140°F.
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In a small bowl, mix cornstarch and cold water until smooth. Stir the cornstarch mixture into the remaining root beer glaze in the pan.
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Bring it to a boil over medium heat, stirring constantly. Cook and stir for 2 minutes or until thickened.
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Brush your ham with the remaining glaze and sprinkle it with cinnamon. Return it to the oven and bake the ham uncovered for an additional 15 to 20 minutes, or until a thermometer reads 145°F.
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Let the ham rest for 10 minutes before slicing and serving with remaining glaze on the side.