Thoroughly brush and rinse mortar and pestle under running water.
Wipe dry with kitchen towel.
Fold a kitchen towel into a pad. Place on the counter. Set washed and dried mortar on the kitchen towel pad.
Add 2 tablespoons of rice into the mortar cavity. Moisten rice with a bit of water.
Crush and grind the rice with the pestle in a circular motion all around the inner surface of the mortar. Add a little more water if necessary. The rice will eventually become a paste.
Be sure to work the rice paste over the entire cavity with the pestle. This will take about 15 minutes.
Scoop up the rice paste with a spoon. Discard.
Brush and rinse the mortar and pestle under running water. Wipe dry.
Repeat steps 4 through 8.
Now, add 2 tablespoons of dry shredded coconut into the mortar cavity. Moisten shredded coconut with a bit of water.
Crush and grind the shredded coconut with the pestle in a circular motion all around the inner surface of the mortar. Add a little more water if necessary. The shredded coconut will eventually become a paste.
Be sure to work the coconut paste over the entire cavity with the pestle. This will take about 10 minutes.
Scoop up the coconut paste with a spoon. Discard.
Brush and rinse the mortar and pestle with warm water. (Please see right side picture in Step 11 above.) Wipe dry. Place mortar and pestle on counter to air dry completely before storing.
Your mortar and pestle is now ready for use.
Notes
After each use, simply wash the mortar and pestle with warm water. Do not use any soap. Wipe dry and air dry completely before storing.