Line a 9×9-inch pan with aluminum foil and spray with cooking spray, set aside.
Using a long serrated knife, slice the rolls in half. Do NOT pull the individual rolls apart.
Place the bottom part in the prepared pan.
Spread the mayo evenly on the bottom layer.
Spread the cranberry sauce evenly.
Sprinkle one cup of cheese evenly.
Top with the turkey slices.
Top with the remaining 1 cup of cheese. Distribute evenly.
Add the top part of the rolls, press slightly and set aside.
Buttery Mixture:
Add the butter to a medium, microwave safe bowl and and heat on high for about 1 minute, until melted.
Add the garlic powder and whisk to combine.
Pour the butter mixture evenly over the rolls. Use a pastry brush to spread it evenly.
Sprinkle poppy seeds on top.
Bake:
Cover with aluminum foil and bake for about 15-20 minutes or until cheese has melted.
Uncover and cook for about 3 to 5 minutes, or until the top is slightly golden brown.
Remove from oven, the the sliders cook for 5-10 minutes. Slice into individual sliders and serve immediately. They are best served warm with gravy for dipping.