Meg's Baked Ham and Cheese Sliders with Magic Sauce

package potato slider rolls (there should be 12)

chipped ham (just have your deli slice it as thin as they possibly can - it should be almost shredded)

provolone cheese (you may have a few slices left over)

butter

brown sugar

yellow mustard

dried onions (or onion powder if you don't have dried onions)

Worcestershire sauce