Guacamole can be stored in the refrigerator, covered, for 1-2 days. The top will turn brown from its contact with the air, but the guacamole underneath should remain bright green.Notes: Use ripe avocados for the best flavor. Avocados should give just slightly when squeezed gently. Avoid avocados that feel fluid under the skin. A few brown spots in the avocado flesh are just fine and perfectly edible.Some people claim that keeping an avocado pit in the guacamole will prevent it from turning brown, but I’ve never found this to be effective.Additional optional mix-ins: pico de gallo, additional chili powder, diced jalapenos, finely diced red onion, or hot sauce.