01 - Preheat oven to 350°F and line a baking sheet with parchment paper.
02 - In a mixing bowl, combine pumpkin seeds, sunflower seeds, and sesame seeds.
03 - Drizzle olive oil over seeds and toss with sea salt, smoked paprika, and garlic powder until evenly coated.
04 - Spread the seasoned seeds in a single layer on the prepared baking sheet.
05 - Roast in the oven for 10 to 12 minutes, stirring once halfway through, until seeds are golden and fragrant.
06 - Remove from oven and mix in chia and flaxseeds while seeds are still warm, if using.
07 - Allow seeds to cool completely before transferring to an airtight container for storage.