Line a baking sheet with tin foil (much easier clean up!)
In a small microwaveable bowl, combine the honey and butter. Microwave until butter is melted (I do about 30 seconds at half power).
In a medium bowl, combine cashews and honey mixture. Toss to coat evenly.
Spread onto prepared cookie sheet.
Bake for 5 minutes.
Remove from oven, toss, and place back in oven for 3-5 more minutes. Watch closely to avoid burning! (When cashews hit that browning point, they change quickly.)
Remove from oven. Let stand for no longer than 1-2 minutes (if you wait too long the sugar may not stick as well).
With a spatula, push nuts together into a pile.
Sprinkle granulated sugar over the nuts and toss to coat (I like to use my hands for this part for even distribution).