Ottolenghi's addictive version combines toasted hazelnuts with sundry roasted spices, including whole coriander seeds that pop between your teeth when you bite them.

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Thulli Dreaming produces its own native food label, including fruits, herbs, spices, tea and skin care products.

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Researchers from the Stanford Prevention Research Center and Harvard Medical School selected the first 50 ingredients they found in randomly chosen cookbook recipes, including meats, fish, vegetables, dairy products, bread and spices.

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