Preheat oven (electric cooker: 200 °C/circulating air: 180 °C/gas: see manufacturer). Wash the chicken, pat dry and place on a baking tray. Mix 1 tbsp. oregano and paprika, 1 tsp. fennel seeds, 1⁄2 tsp. coriander, salt and cayenne pepper with 4 tbsp. oil. Spread the chicken with it all around.
Wash potatoes and pumpkin thoroughly. Cut the potatoes into large pieces. Halve pumpkin, remove seeds. Cut pumpkin into slices. Season everything with salt and pepper and mix well with 2 tablespoons of oil. Spread around the chicken. Bake in a hot oven for about 40 minutes.
Roughly dice the feta and spread it on the tray together with the olives after about 1⁄2 hour.