Preheat the oven to 200°C.
- Halve the pumpkin and remove the seeds. Cut the pumpkin into chunks. Spread over a large oven dish, drizzle with the oil and sprinkle with the herbs. Place in the oven for 30 minutes.
- After 30 minutes add the pumpkin seeds for 10 minutes (to roast them off). Slice the unpeeled apple and drizzle with lemon.
- Divide the roast pumpkin among the plates and add the fried seitan strips. Drizzle with oil and serve.