Preheat the oven to 200°C (180° fan-forced) and line a baking tray with paper.
Chop the pumpkin into wedges of fairly even sizes, scrape out the seeds, then arrange the wedges cut side up on the tray. Drizzle with a little oil (If you're planning to puree some pumpkin for sweet recipes, don't add salt).
Roast for 30-45 minutes (this will depend on the size of your wedges) until the pumpkin is golden on the tips and soft when pierced with a knife.
If you plan to roast the seeds, rinse them of any pumpkin flesh, pat them dry, and arrange them on a separate tray.
Sprinkle them with a pinch of salt, then roast for about ten minutes.
Use them to garnish your soup, or to toss into salads.