Turn your grill to smoke mode, let the fire catch and then set to 300 degrees F (150 degrees C) to preheat.
After removing the seeds from the pumpkin, rinse the seeds under cold water to rid of any leftover pulp.
Toss pumpkin seeds in a bowl with melted butter and Java Chop House Steak Rub. Spread the seeds in a single layer on a baking sheet. Bake for about 45 minutes or until golden brown. Stir pumpkin seeds occasionally.