"I don't know which is more fun, carving Jack or roasting the seeds. One 4-pound pumpkin will yield about 2 cups seeds. Save the seeds whenever you carve a pumpkin, then roast some of them and plant some of them. Next year, you'll have your own pumpkin patch--and lots of roasted pumpkin seeds! Kids and pixies can stir and toss the seeds with salt or spices and help spread them on the baking sheet...."