Potatissallad med röd lök och oliver

👩‍🍳 Gör så här

1. 1
   Cook the potatoes in boiling salted water for 15-20 mins until tender, then drain well and tip into a large bowl.
2. 2
   Tip the lemon juice, harissa, salt and pepper into a bowl and whisk well, then add the onion and olive oil and whisk again.
3. 3
   Pour over the potatoes and olives, toss well, then leave to cool. Can be covered and chilled for up to 1 day.