Put the peanuts, honey, and salt if using into the off processor.
Turn on and let run for about 1 minute. Scrape down the sides.
Turn back on, and slowly drizzle in the peanut oil. Let it run for 2-3 minutes, or until smooth.
Store in an air tight container in the fridge for up to 2 months.
Notes
Note: For crunchy peanut butter add in 1/4 - 1/3 cup roasted peanuts during the last 15-30 seconds of processing.You can omit the oil if you want a thicker peanut butterIf you do not want your peanut butter sweetened at all, just omit the honey