Preheat the oven to 350°F/180°C, and grease a 9×9 or 7×11 inch baking pan/sheet (if you don’t have either, then use 9×13).
In a small bowl, combine melted butter, Dijon mustard, honey or brown sugar, poppy seeds, minced onion, garlic, and Worcestershire sauce.
Slice the rolls in half using a serrated knife to separate the tops from the bottoms.
Over the bottom of the rolls, spread the mayonnaise
Then layer half of the turkey, all of the cheese, then the remaining turkey slices. Cover with the top of the rolls.
Brush the butter mixture over the tops (or pour it over the rolls), cover with foil and bake for 15 minutes.
Remove the foil, and bake uncovered for 10 more minutes or until done/golden brown. Watch the sliders so they don’t burn.