For the meatballs, in a large bowl, combine all ingredients. Roll meatballs into golf ball-size portions. In a large skillet, heat 2 tablespoons of oil until smoking hot. Sear meatballs until browned on all sides. Bake meatballs on a baking sheet at 400°F for 8-10 minutes or until cooked through.
In a Dutch oven, combine all of the marmalade ingredients and cook over medium heat until all the sugar has dissolved and the liquids have reduced.