# M& e% E* d& H/ j I used coffee grinder before. 4 K, U# g z2 i8 B 2 J; q% Q b0 P: B0 PThe 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.* S1 O/ y" Q* B: I
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Pepper powder is easy to lose smell and tasty, that's why I chose pepper.