35 min.
Wash pumpkin, scrub the peel and halve. Remove the seeds and guts and cut into slices. Put the pumpkin slices on a baking tray covered with baking paper and season with a little bit of olive oil, garlic powder, a pinch of sugar, salt and pepper.
Peel apple and remove the core. Cut apple and onion into wedges. Put them on a baking tray covered with baking paper and season with a little bit of olive oil, salt and pepper.