Preheat your oven to 200 degrees (or 180 degrees circulating heat).
Clean and dry potatoes and cut them in quarters.
Put them together with oil and seasonings in a bowl with a lid on it and shake well.
Spread everything on a baking sheet lined with baking paper and bake for about 45 minutes (or until crunchy).
Meanwhile, open the door of the oven now and then and turn the wedges.
Blend all hummus ingredients.