Preheat oven to 180C. Boil potatoes unpeeled until cooked.
Set aside to slightly cool
Cut potatoes about a third lengthways and scoop out a well in bigger part. In food processor blend all other ingredients and the scooped out potatoes to a paste.
Fill the paste into wells add the smaller third on top to make a lid,tie together with chives.
Bake in oven until heated through.
Serve with drizzles of more olive oil or melted butter