. h" q! G: I9 u$ `) e+ X: H1 j8 j" K% M3 i I used coffee grinder before. 5 ^" ~& P& y( f* E! d5 U* L 5 _! E! f$ ^2 \& V8 r8 B* ]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. W3 u5 u* X5 T9 B4 [ ' e/ c+ v1 k# O) J$ pPepper powder is easy to lose smell and tasty, that's why I chose pepper.