6 }' P' d# ^9 d: R0 H, Q% k0 |, O9 d7 t
4 ~2 Z* l! H0 Q" j; Q I used coffee grinder before. ( c0 c/ Q" |6 d3 e& K Y
$ X7 Z+ F1 p* e7 p( o) \5 y/ BThe 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. $ M" h! \/ [# u5 }; s+ G$ v% j6 f; G" U: O' L
Pepper powder is easy to lose smell and tasty, that's why I chose pepper.