2. Make a harissa paste by combining harissa with 2 tablespoons of boiling water. Let steep for 5 minutes. Stir through 4 tablespoons of olive oil. Set aside.
Wash and quarter potatoes. Toss with harissa paste and 1 teaspoons of salt.
Bake for 50-60 minutes, turning once halfway through and adding a little extra olive oil.
To serve
To serve, drizzle with lemon juice and olive oil, sprinkle with some extra salt flakes and garnish with coriander and a generous dollop of sour cream.
