Keeping guacamole from turning brown can be a challenge, but in this video, you can learn the best way to keep them looking fresh. Several methods have been tested, including storing guacamole with the avocado pit, covering the guac with avocado peels, adding extra lime juice, and pressing plastic wrap against the surface of the guac. However, the most effective method found was to cover the guacamole with a layer of water. The water creates a boundary on top of the guacamole that air seems unable to penetrate, keeping the guacamole green for up to two days.
