Qistibi - Tatar Potato Flatbreads | Guest Recipes | Nigella's Recipes | Nigella Lawson

Ingredients

• 250 millilitres water
• 50 grams butter (melted, plus extra for brushing)
• 2 tablespoons sour cream
• 500 grams plain flour
• ½ teaspoon salt
• 1 teaspoon caster sugar
• 5 - 6 medium potatoes (weighing approx. 600g/1lb 5oz), peeled and diced
• vegetable oil (for frying)
• 2 onions (peeled and thinly sliced)
• 50 grams salted butter
• salt and pepper (to taste)