This Easy Trick Keeps Your Guacamole From Turning Brown (2024)

There's a reason guacamole is the most popular dip at any party. Not only is it delicious, but fresh, green guacamole can only last for so long. Leave out a bowl of guac for a few hours, and it starts to develop an unappealing brown layer on top that might scare off any latecomers.

So, what is the best way to store your prized guacamole so it will last longer without turning brown? Turns out there's a simple solution for keeping your mashed up avocado green for a few more days. Keep reading for step-by-step instructions on the best way to keep guacamole fresh.

How to Keep Guacamole From Turning Brown

The solution lies with good ol' H2O. Topping off your avocado dip with water keeps air, at least in part, from being able to penetrate the guacamole, which keeps it from browning. By using this simple technique, you can keep the brown at bay for about two days (maybe longer if you're lucky).

  1. Once you're ready to store the guacamole, place it in an airtight storage container. You can also use a bowl and cover it tightly with plastic wrap.
  2. Use a spoon to flatten the surface of the dip and remove any air bubbles.
  3. Add about a half-inch of water to the top of the guacamole. Make sure the water covers the whole surface of the batch.
  4. Put the lid or covering on the container, and store in the fridge for two to three days.
  5. When you're ready to enjoy your guac, gently pour off the water and stir before serving.

Why Does Guacamole Turn Brown?

It's a question we're all faced with, as we've all been victim to brown guac at some point. But why? Avocado darkens when a naturally occurring enzyme in the fruit reacts with oxygen in the air. This reaction is known as oxidation. And because avocado is the primary ingredient in guacamole, the whole dish is at risk.

You may find that only the top layer of your dip is brown, while the avocado towards the bottom of the bowl is still green. This is because the top layer is guarding the bottom against oxygen.

Can You Eat Brown Guacamole?

Brown avocado is safe to eat, so long as you store it in the fridge and consume it within a few days. It may be slightly more mushy and/or bitter than fresh green guac, but it's still safe to eat. If you didn't store your guacamole ahead of time with a layer of water on top, you can simply scrape off the top layer to reveal the brighter green portion underneath.

Other Ways to Store Guacamole

Water is a great trick to use for storing guacamole so it stays fresh, but there are a few other options as well.

Acid, like lemon, lime, or vinegar, creates a barrier against oxygen as well, so applying a thin layer will work in a similar way. This is handy if you are going for these bright flavors in your finished product anyway. The same goes for adding a layer of sour cream before popping in the fridge.

You can also try your luck at pressing down a protective layer of plastic wrap directly on top of the guacamole to stop airflow, though you may still end up with a little bit of brown, and a fair bit of dip stuck to the wrap.

However, if you have a perfect batch of your favorite variation all ready to go and no one to feed it to right away, water has the added benefit of being flavorless, widely available, and of course, free.

This Easy Trick Keeps Your Guacamole From Turning Brown (2024)

FAQs

This Easy Trick Keeps Your Guacamole From Turning Brown? ›

Pour a thin but visible layer of water or lemon/lime juice over the guacamole to form a barrier with the air. Cover the dish with plastic wrap, pushing the wrap, so it is flush with the guacamole to prevent air pockets, or put the guacamole in a sealed tub.

How do you prevent guacamole from turning brown? ›

Pour a thin but visible layer of water or lemon/lime juice over the guacamole to form a barrier with the air. Cover the dish with plastic wrap, pushing the wrap, so it is flush with the guacamole to prevent air pockets, or put the guacamole in a sealed tub.

How do restaurants keep their guacamole green? ›

To keep the leftover guacamole from browning, the employee rips off a sheet of plastic wrap, then presses it all the way down to the surface of the guacamole, knocking out the air that would be in the container if it was just sealed with a lid.

How do restaurants keep their avocados from turning brown? ›

The main goal is to prevent oxygen from touching the avocado's flesh. Plastic wrap is a practical, albeit not foolproof way to slow down the natural course of fruit aging. The trick is to make sure the plastic wrap is sealed flush with the flesh.

How to make guacamole not turn brown reddit? ›

Spray exposed avocado with cooking spray. Or rub oil over it with a clean finger. It stops the oxidation process since air can't get to it. Works for guac.

What is the creamy ingredient to keep guacamole green? ›

The lactic acid in sour cream acts very much like the ascorbic acid in limes in combating the oxidizing enzymes in avocados. The process and result is similar: spread a thin layer of sour cream onto a smooth surface of guacamole and cover with plastic wrap, pressing it directly onto the surface.

What do you put in guacamole to keep it green? ›

To prevent your guacamole from turning brown, use water! Yes, a small amount of water is a great way to help guacamole maintain its vibrant green color and stay fresh. Here's how to do it: Put the guacamole in an airtight container that has a tight-fitting lid.

What is the avocado water trick? ›

This tantalizing method entails submerging ripe avocados in water and refrigerating for storage. Some reports from those who have tried it say it works for up to two weeks, and others note they've pulled an apparently perfect avocado out of its beauty sleep after an incredible four weeks.

Does lemon juice stop avocado from browning? ›

Acidulants, such as citric and ascorbic acid found in lemon juice, help lower the pH of avocados and decrease the enzymatic activity, keeping them from turning brown ( 1 , 3 ). Therefore, squeezing a little lemon juice on top of your cut avocado before storing it could help delay browning.

What is the best way to store avocados so they last longer? ›

It's best to refrigerate an avocado that is ripe or close to it. If you refrigerate an unripe avocado, it will ripen eventually, but the texture and taste may be compromised. If your avocado is ripe, place the whole, uncut avocado in an airtight container or in the produce drawer in the refrigerator.

What to do so guacamole doesn t turn brown? ›

Add about a half-inch of water to the top of the guacamole. Make sure the water covers the whole surface of the batch. Put the lid or covering on the container, and store in the fridge for two to three days. When you're ready to enjoy your guac, gently pour off the water and stir before serving.

How does Chipotle keep their guacamole from turning brown? ›

“Each panned guac gets sealed airtight with Saran Wrap,” he said. “Then it gets lidded, labeled and stored for later use. This process ensures freshness and prevents browning,” he continued.

Does olive oil stop avocados from going brown? ›

Another option is to brush the avocado flesh with olive oil, says Weintraub. This creates "an oily barrier between the fruit and air, thus preventing browning," she explains.

Is it safe to eat guacamole after it turns brown? ›

Although brown guacamole isn't the most appealing, it's completely safe to eat (as long as you've stored the guacamole in the refrigerator, and it isn't more than three days old). "While a bit off-putting to look at, brown guacamole is totally safe," confirms Food Network's nutritionist, Dana Angelo White, MS RD ATC.

Does putting an avocado pit in guacamole keep it from turning brown? ›

The verdict: Contrary to popular belief, adding the avocado pit to guacamole does not prevent oxidation. In fact, if it sticks out above the surface, it creates air pockets that prevent the plastic wrap from adhering tightly enough.

Can I make guacamole the night before? ›

The key is simple: you need to press the plastic wrap directly and completely against the surface of the guacamole. When stored this way, guacamole can be made ahead and stored in the fridge up to overnight with nary a brown spot in sight. Preparing for a party just got a whole lot easier.

How long can guacamole keep in the fridge? ›

From the second you crack open that avocado, it's a race against the clock before it goes brown. But with the right prep, you can make guacamole last in the fridge for three to four days. Planning on storing guacamole in the freezer? It should last for three to four months.

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