This works especially well when serving the sliders with tangy slaw or dill pickles.
Tangier finish: For a sharper, more balanced flavor, stir in a spoonful of pickle juice or a little extra Dijon at the end of cooking. That small adjustment helps cut through the richness of the ham and wakes up the whole filling.
Make-ahead tip: The ham mixture can be prepared a day ahead and refrigerated once cooled. Reheat it gently in the slow cooker or on the stovetop, adding a splash of water if needed to
