Preheat oven to 350 degrees F.
Shred the ham loaf using a food processor or box grater. Pour into a large bowl.
2 lbs. chopped ham loaf
Add ground pork, chopped bacon, cracker crumbs, onion, eggs and milk. Gently stir, just until combined.
1 lb. ground pork, 4 slices bacon, 2 cups cracker crumbs, ¼ cup onion, 2 large eggs, 1 cup milk
Form into balls using a ¼ cup cookie scoop or measuring cup. Place on a rimmed baking sheet and bake for 45 minutes.
In a medium bowl, combine ketchup, brown sugar, vinegar, and Dijon mustard. Stir well.
1 cup ketchup, ¾ cup brown sugar, ⅛ cup vinegar, 1 Tbps. dijon mustard
Spoon sauce over each ham ball to glaze and place back in the oven for 15 minutes or until internal temperature is 160 degrees F
Allow to rest for 5 minutes before serving.