How much ground cloves to use when you have whole cloves, and the reverse, with each published conversion attributed to its source. Plus a two-minute way to check your own cloves and how to grind them with or without a grinder.

How much ground turmeric to use in rice, dal, curry, soup, roasted vegetables and eggs, when to add it, how to stop it tasting raw or bitter, and how to swap fresh root for powder.

What "single-origin" really means on a pepper label, how peppercorns become black pepper, why whole beats ground, and what to check before you buy.

Sticks for infusing, ground for baking and blending: how to choose between cinnamon quills and powder, how to spot real Ceylon quills, and an honest note that we sell powder only.

True cinnamon is Ceylon cinnamon, Cinnamomum verum. Here is how it differs from Cassia, what a US label does and does not tell you, and how to check at home.