Spice Rub:
  * 1/2 cup brown sugar
  * 1/2 cup white sugar 
  * 6 tbsp paprika 
  * 2 tsp ground ginger 
  * 2 tbsp onion powder 
  * 1 tbsp garlic powder 
  * 1 1/2 tbsp kosher salt (I used rosemary salt)
  * 1 tbsp chipotle powder 
  * 1 tbsp ground mustard 
  * 1 tbsp pepper