1 - Cook potatoes - place potatoes in a pot of cold water, and bring to the boil.

2 - Boil 20 minutes, or until potatoes are tender.

3 - You know they are cooked when you can stick a knife in them and the knife goes straight through.

4 - Combine harissa spice, olive oil, salt and pepper and lemon juice in a small bowl and whisk until combined.

5 - Once potatoes are cooked, drain water and roughly chop potatoes in half.