01 - Heat oven to 325°F and prepare a baking sheet by lining it with parchment paper.
02 - If using fresh pumpkin seeds, rinse thoroughly to remove pulp and dry completely with a clean towel.
03 - Combine pumpkin seeds with olive oil or melted butter, sea salt, and optional spices in a medium bowl. Toss until evenly coated.
04 - Spread the seasoned seeds in a single layer on the prepared baking sheet.
05 - Bake seeds for 20 to 25 minutes, stirring once halfway through, until golden and crisp.
06 - Remove seeds from oven and allow to cool completely before consuming or storing.