Preheat the oven to 425 degrees Fahrenheit. Line two sheet pans with parchment paper and set aside.
Unroll the crescent dough.
Layer the ham onto the dough and sprinkle the cheese over the ham.
Roll the dough up from a long edge into a log and slice it into 12 equal pieces.
Place the pinwheels onto the sheet pan.
In a small mixing bowl, combine the melted butter and garlic powder. Brush the butter over the pinwheels.
Place in preheated oven at 425 degrees Fahrenheit and bake for 17-20 minutes until golden brown.
