I smoke a number of my seasonings especially salt and pepper. Not as cold a smoke as you're using though.
Sea salt, kosher salt, garlic salt and I smoke some of the Hungarian paprika also.
New Braunfels Hondo Offset
New Braunfels Bandera (Refurbished & Improved)
33 year old Char-Broil 450
1996 Blue Weber SS Performer
2003 Black Weber SS Performer
Weber 22.5 OTG with rotisserie & Smokenator
Weber SJS & modified stock pot Mini-WSM
STOK Island gasser
Recipient of Official & Un-Official Moink Certificates