A well-stocked spice shelf is one of the best investments a home cook can make. You do not need dozens of jars, though. A focused handful will let you cook across many cuisines with confidence.
The everyday core
Cumin, coriander, turmeric, paprika and black pepper form the backbone of countless dishes. Add chilli flakes for heat and cinnamon for warmth, and you can move easily between a curry, a stew and a tray bake.
Whole versus ground
Whole spices keep their flavour far longer and taste brighter when freshly toasted and ground. If you cook often, a small grinder pays for itself quickly. Ground spices are convenient but fade within a few months.
Bloom your spices
Most ground spices taste deeper when warmed briefly in oil before the other ingredients go in. This simple step, often called blooming, releases their aroma and removes any raw edge.
Store them well
Heat, light and air are the enemies of spices. Keep them in tightly sealed jars away from the hob, and label them with the date you opened them so you know when to refresh.