The Egyptian nut, seed, and spice mixture called dukkah is the heart and soul of this dish, and just about anything else you put it on too! There are many variations according to taste and the type of food you're serving it on or with, so feel free to improvise. The rich, warm, zesty flavors of freshly made dukkah are worth the effort and it keeps well in the refrigerator for several weeks. This recipe would be excellent on many types of fish, whole or fillet, plus meats like lamb and chicken, or on vegetables or bread dipped in olive oil. Add mint, thyme, rosemary, oregano, or red pepper flakes to the basic mixture to customize your dish.