Combine the sugar, chile powder, coffee, garlic powder, onion powder, cinnamon, salt and pepper in a spice mill or blender and grind to coarse powder. Stored in a clean, airtight container, this will keep in the freezer for 3 to 4 months.
To UseCoat chicken, beef or pork with rub mixture; massage in well. Allow to sit for 4-6 hours, then grill.