Sumac is a bright and astringent ground spice that I have been championing for a very long time. Its colour and kick means it’s a great way to shake up all sorts of everyday dishes.
Put the oil into a large sauté pan and place on a medium heat. Once hot, add the potatoes, garlic and ¾teaspoon of salt. Fry gently for 30 minutes, stirring frequently, until the potatoes are golden-brown and soft. Add the rosemary and thyme and fry for another 5 minutes, until