01 -
Preheat the oven to 350 degrees Fahrenheit. Spray a 9 by 13 inch baking dish with cooking spray and set aside.
02 -
Mix together the butter, brown sugar, Dijon mustard, Worcestershire sauce, poppy seeds, and onion in a bowl.
03 -
Cut the rolls in half lengthwise and place the bottom half in the prepared baking dish. Layer with half the ham, then all the cheese, followed by the remaining ham.
04 -
Place the tops of the rolls on top and evenly pour over the prepared butter mixture.
05 -
Cover the dish with aluminum foil and bake in the preheated oven for 15 minutes.
06 -
Remove the foil and bake for another 10 minutes, then remove from the oven.
07 -
Cut the sliders and serve immediately.