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5 h2 z* ? s( M" d& Y& f I used coffee grinder before. . _/ g9 O0 D. [
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The right method is to dry pepper and chilli on your frying pan, then I could use my hand to grind it to small pieces or use a rolling pin.3 G3 K7 Z# U! d' q
) G; _2 m: x7 L# O3 ePepper powder is easy to lose smell and tasty, that's why I chose pepper.