How to Keep Guacamole Fresh

Why Does Guacamole Turn Brown?

Like apples, avocados have an enzyme that reacts with oxygen in a process called oxidation. Luckily that means the part of the avocado directly below the surface is protected from oxidation. That’s why if you’re storing your guacamole in the fridge, you can usually scrape off the brown layer on top and keep eating. [Read more…]