How To Clean a Coffee or Spice Grinder | Kitchn
Jan 16, 2007· Put a 1/4 cup of rice in your blade grinder and grind for about a minute, or until it's pulverized. Once pulverized, the oils should cling to the rice, leaving behind just a thin dusting of rice flour. 2. Dump out the rice flour. 3. Wipe out the grinder with a damp paper towel.