Position oven rack in bottom third of oven. Preheat oven to 325°. Line a 13×9-inch baking pan with foil.
In prepared pan, place 1 cup water. Add ham, and loosely cover with foil.
Bake until an instant-read thermometer inserted in center registers 165°, about 1 hour and 45 minutes.
Meanwhile, in a medium saucepan, combine jelly, orange zest and juice, wine, mustard, paprika, Creole seasoning, and thyme; cook over medium heat, stirring constantly, until smooth. Increase heat to medium-high, and bring to a boil; reduce heat to medium, and cook until thickened and reduced by half, 20 to 25 minutes.
Brush ham with half of jelly mixture.
Bake until caramelized, about 15 minutes. Brush with remaining jelly mixture. Let stand for 10 minutes before serving. Garnish with orange slices, chile pepper, and parsley, if desired.
Notes
*If ham is sold with a packaged glaze, discard or reserve glaze for another use.
Recipe by Louisiana Cookin' at https://louisianacookin.com/pepper-jelly-glazed-ham/