How Do You Keep Cilantro From Turning Black

You can keep cilantro from turning black by understanding why it happens and taking a few simple steps to prevent it.
 
Cilantro turns black mainly because of a natural process called oxidation, plus exposure to heat and moisture.
 
The good news is that keeping cilantro from turning black is totally doable once you know what causes the discoloration in the first place.
 
In this post, we’ll look at why cilantro turns black, how to store cilantro so it stays green, and the best ways to keep cilantro from turning black whether it’s fresh, chopped, or frozen.
 
Let’s dive in.
 

Why Cilantro Turns Black

Cilantro turns black for a few key reasons, and once you understand them, you can easily prevent it.
 

1. Oxidation Is the Main Culprit

When you chop cilantro, you break its cell walls, and the enzymes inside react with oxygen in the air.
 
This reaction, called oxidation, is what causes cilantro to turn black or brown over time.
 
That’s why chopped cilantro left on the counter starts looking sad within an hour or two.
 

2. Heat Speeds Up the Process

High temperatures accelerate the enzymes that make cilantro turn black.
 
So if you add cilantro to a hot pan too early, or leave it near a warm stove, it’ll darken fast.
 
That’s why adding cilantro at the very end of cooking helps you keep cilantro from turning black.
 

3. Moisture and Bruising Make It Worse

Wet cilantro that’s been bruised or crushed will turn black quicker than dry, intact leaves.
 
Excess moisture encourages both oxidation and bacterial growth, which both lead to blackening.
 
So handling cilantro gently and drying it well is a big part of keeping it green.
 

How to Keep Cilantro From Turning Black

Here’s how you can keep cilantro from turning black, whether you’re storing it for later or prepping it for tonight’s dinner.
 

1. Store Cilantro Like Fresh Flowers

The easiest way to keep cilantro from turning black is to store it upright in a glass of water.
 
Trim the stems, pop them in a jar with an inch of water, and cover the leaves loosely with a plastic bag.
 
Change the water every couple of days, and your cilantro will stay green for up to two weeks in the fridge.
 

2. Dry It Thoroughly Before Storing

If you’re storing cilantro in the fridge without water, make sure it’s completely dry first.
 
Wrap the dry cilantro in a paper towel, then place it in a sealed bag or container.
 
The paper towel absorbs extra moisture, which is key if you want to keep cilantro from turning black.
 

3. Chop Cilantro Right Before Using It

Since chopping triggers oxidation, the best way to keep cilantro from turning black is to chop it just before you need it.
 
If you must prep ahead, chop cilantro and toss it with a tiny bit of olive oil or lime juice to slow oxidation.
 
This little coating helps keep cilantro from turning black for a few extra hours.
 

4. Freeze Cilantro the Right Way

You can also keep cilantro from turning black by freezing it properly.
 
Chop the cilantro, pack it into ice cube trays, and cover it with water or olive oil before freezing.
 
This locks in the color and flavor, so you can drop a cube straight into soups, stews, or sauces.
 

5. Add Cilantro at the End of Cooking

Heat is one of the biggest reasons cilantro turns black, so add it last.
 
Stir fresh cilantro into your dish right before serving, or sprinkle it on top as a garnish.
 
This single habit is one of the simplest ways to keep cilantro from turning black in cooked dishes.
 

Tips to Keep Cilantro From Turning Black Longer

A few extra tricks can help you keep cilantro from turning black even longer.
 

1. Use a Salad Spinner

A salad spinner removes excess water without bruising the leaves, which helps keep cilantro from turning black.
 

2. Avoid Storing Cilantro Near Ethylene Producers

Fruits like bananas and apples release ethylene gas, which speeds up decay.
 
Keep cilantro away from them to keep cilantro from turning black too soon.
 

3. Don’t Wash Until You’re Ready to Use It

Washing cilantro too early adds moisture, which is a fast track to blackening.
 
Wash only what you need, right when you need it, and you’ll keep cilantro from turning black more effectively.
 

So, How Do You Keep Cilantro From Turning Black?

You keep cilantro from turning black by limiting oxidation, heat, and moisture.
 
Store cilantro upright in water, dry it well, chop it fresh, freeze it in oil or water, and add it at the end of cooking.
 
Follow these tips and you’ll keep cilantro from turning black so it stays fresh, green, and full of flavor every time.