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5 n2 o3 o9 L$ d6 s/ [ I used coffee grinder before. - S( B, y; O8 s+ b7 ]( ^ 3 b/ s9 [: h# m$ T/ u4 q, V5 LThe 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. ! w9 C- y; N1 \/ P $ B6 K2 M% L( K: F0 `* D# p x7 ~Pepper powder is easy to lose smell and tasty, that's why I chose pepper.