TEMECULA, CA — A De Luz boutique farm is processing locally grown, cold-pressed Macadamia nut oil, now available for sale online, according to Kurt Merrill, owner of Gold Crown Macadamia Nuts.

The most refined olive oil is called 'extra virgin.' To be called so, the olives need to be crushed within 24 hours. They also need to be 'cold pressed,' meaning the oil is extracted mechanically ...