+ c: H- P w+ `9 A: X; q8 H, u5 q; O I used coffee grinder before. 1 V0 l! z( R: y/ {8 y9 S$ M$ j/ U) J9 r/ b1 i8 l' m8 k
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., u) z3 Y" h" L
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Pepper powder is easy to lose smell and tasty, that's why I chose pepper.