Rice the head of cauliflower in the food processor, blender, or by hand. If using store bought cauliflower rice, transfer it to a clean kitchen towel, wrap it, and ring any moisture out.

In a large pan over medium heat, heat butter or oil. Add cauliflower rice and salt and stir, cooking the riced cauliflower for about 5 minutes.

Add the coconut milk to the pan, mix to combine well and cook, for about one minute, to heat up the coconut milk and cauliflower rice mixture. Turn off the heat, add the cilantro and mix to combine. Serve.