The key to good homemade spice blends, like the herbaceous Za’atar Seasoning or the coriander-and-cumin-forward Shawarma Seasoning, is starting with a good idea. Consider these four guiding principles ...

Preheat the oven to 170C/150C Fan/Gas 3. To make the spice mix, tip all the spices into a clean, medium-sized airtight container, cover with the lid and shake. Set aside. To make the lamb ...