7 R. S6 F3 h+ t) ]4 B I used coffee grinder before. ' Z# d& w& r7 A% Z# I: v/ \/ t- e
2 }& ]2 h7 |4 c' c* }! C! U( hThe 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. 1 `3 G0 @5 c/ l# S & P5 f! t6 L$ `1 l& D/ \Pepper powder is easy to lose smell and tasty, that's why I chose pepper.