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You can freeze basil with olive oil by chopping or blending the fresh leaves, packing them into ice cube trays or small containers, and covering them completely with olive oil before freezing.
This simple method locks in that vibrant, peppery basil flavor while the olive oil acts as a protective barrier against freezer burn and oxidation.
If you’ve ever wondered how to freeze basil with olive oil the right way, you’re in the perfect spot because this guide will walk you through every step.
Freezing basil with olive oil is one of the smartest ways to preserve your summer garden harvest, and it takes less than ten minutes of active prep time.
In this post, we’ll cover the best techniques for freezing basil with olive oil, the mistakes to avoid, and how to use your frozen basil cubes in everyday cooking.
Let’s dive right in and make sure you never waste another bunch of fresh basil again.
Why Freeze Basil With Olive Oil?
Freezing basil with olive oil is the gold standard for preserving fresh basil because it tackles the two biggest enemies of frozen herbs: moisture and air.
When you freeze basil with olive oil, the oil coats every leaf and prevents the cell walls from turning into mushy, blackened sludge.
Basil is a delicate herb that hates the cold, but the olive oil acts like a cozy blanket, keeping the leaves intact and full of flavor.
There’s a huge difference between freezing bare basil leaves and freezing basil with olive oil, and once you try the oil method, you’ll never go back.
Here’s why this method works so well for anyone looking to freeze basil with olive oil successfully.
1. Olive Oil Protects the Flavor and Color
Fresh basil gets its gorgeous green color from chlorophyll, and that pigment is super sensitive to cold temperatures.
When you freeze basil with olive oil, the oil slows down the breakdown of chlorophyll, so your leaves stay bright green instead of turning brown or black.
The flavor compounds in basil are also fat-soluble, which means they dissolve into the olive oil and stay locked in for months.
This is a huge win because frozen basil cubes taste almost as fresh as the day you picked them.
So if you want to freeze basil with olive oil for maximum freshness, this is the primary reason to do it.
2. It Prevents Freezer Burn
Freezer burn happens when air reaches the surface of your food and dries it out, leaving you with tasteless, ice-crusted herbs.
When you freeze basil with olive oil, the oil creates a complete seal around every leaf, which means air simply can’t get in.
This protective coating keeps the basil moist and flavorful, even after three or four months in the deep freeze.
No one wants to pull out a sad, frostbitten bag of basil, and freezing basil with olive oil completely solves that problem.
3. It’s Incredibly Convenient for Cooking
When you freeze basil with olive oil in ice cube trays, you get perfectly portioned cubes that are ready to drop into hot pasta, soups, or sauces.
Each cube is essentially a pre-measured dose of basil and oil, so you don’t have to chop or measure anything when you’re in a rush.
This makes it super easy to add that fresh basil kick to winter dishes when your garden is covered in snow.
Freezing basil with olive oil isn’t just about preservation, it’s about making your life in the kitchen so much easier.
How to Freeze Basil With Olive Oil Step by Step
Now that you know why this method is amazing, let’s get into the actual process of how to freeze basil with olive oil.
The steps are simple, but a few little details make a big difference in the final quality of your frozen basil.
Follow these instructions carefully, and you’ll have beautiful, flavorful basil cubes ready for months of cooking.
Step 1: Wash and Dry the Basil Thoroughly
Start by picking fresh basil leaves from your plant or store-bought bunch, and discard any yellow or bruised leaves.
Rinse the leaves under cold running water to remove dirt, bugs, or any lingering pesticide residue.
The most critical part here is drying, because any excess water on the leaves will turn into ice crystals and ruin the texture.
Use a salad spinner to remove most of the water, then pat the leaves dry with a clean kitchen towel.
You want the basil to be as dry as possible before you freeze basil with olive oil, so take your time with this step.
Step 2: Chop or Blend the Basil Leaves
You have two main options here: roughly chop the leaves by hand or blitz them in a food processor.
For a chunkier texture, lay the leaves in a stack, roll them up like a cigar, and slice them into thin ribbons.
For a smoother paste, toss the leaves into a food processor with a splash of olive oil and pulse until you get a coarse puree.
Both methods work beautifully, so it just depends on how you plan to use the frozen basil later.
Keep in mind that chopped leaves will give you more texture, while blended basil is perfect for sauces and marinades.
Step 3: Pack the Basil Into Ice Cube Trays
Spoon your chopped or blended basil into the compartments of a standard ice cube tray, filling each one about two-thirds full.
Don’t overfill the trays because the olive oil needs room to expand slightly as it freezes.
You can also use silicone muffin cups or small freezer-safe containers if you prefer larger portions.
Silicone trays are especially great because they make it so easy to pop out the frozen cubes without breaking them.
This is the moment where you’re really setting yourself up to freeze basil with olive oil like a pro.
Step 4: Pour Olive Oil Over the Basil
Now slowly pour high-quality olive oil over the basil until each compartment is completely full and the leaves are fully submerged.
The oil needs to cover every bit of basil, so if you see any leaves poking above the surface, push them down with a spoon.
Use a good extra-virgin olive oil because you’ll be tasting it later, and cheaper oils can have a bland or off flavor.
Gently tap the tray on the counter to release any air bubbles that might be trapped under the leaves.
Once every compartment is filled to the rim with oil, you’re ready for the freezer.
Step 5: Freeze and Store the Basil Cubes
Place the ice cube tray on a flat surface in your freezer and let it sit for at least four to six hours, or until the cubes are solid.
Once frozen, pop the cubes out of the tray and transfer them to a zip-top freezer bag or an airtight container.
Label the bag with the date so you remember when you froze them, since these cubes will last about six months in the freezer.
Freezing basil with olive oil gives you a ready supply of flavor to grab whenever a recipe calls for it.
Tips and Mistakes to Avoid When You Freeze Basil With Olive Oil
Even though this process is straightforward, there are a few common pitfalls that can spoil your batch of frozen basil.
Let’s look at the most important tips and mistakes to keep in mind so your basil comes out perfect every time.
1. Don’t Skip the Drying Step
The biggest mistake people make when they freeze basil with olive oil is leaving the leaves wet after washing.
Water and oil don’t mix, so any leftover moisture will separate from the oil and create icy, mushy spots in your cubes.
Always dry the basil completely, and even if you’re in a hurry, just patting with a towel is better than nothing.
Dry basil also helps the olive oil cling to the leaves better, which gives you a more uniform cube.
2. Use Good Quality Olive Oil
Since the olive oil is such a big part of this preservation method, you don’t want to cheap out on the oil.
A mild or robust extra-virgin olive oil will add a pleasant peppery note to your dishes, while a low-quality oil can taste rancid or flat.
If you’re not a fan of strong olive oil flavor, you can use a lighter olive oil or even avocado oil as a neutral alternative.
The point is to freeze basil with olive oil that you’d actually enjoy eating on its own.
3. Don’t Overcrowd the Freezer Trays
Make sure your ice cube trays have enough space around them in the freezer so the cold air can circulate freely.
Stacking things on top of the trays can press down on the oil and cause it to spill over into other compartments.
Give the trays a couple of hours to freeze without any disturbance before you move them around.
This ensures that your basil cubes freeze flat and look neat when you pop them out later.
So, How Do You Freeze Basil With Olive Oil and Use It Later?
You can freeze basil with olive oil easily by chopping, submerging in oil, and freezing in trays, and now you know exactly how to do it.
The whole process takes about ten minutes of active time, but it rewards you with months of fresh basil flavor.
Once you have your frozen basil cubes, just drop one or two straight into hot dishes like pasta, risotto, or stews.
You can also thaw a cube and stir it into salad dressings, marinades, or even spread it on warm bread.
Freezing basil with olive oil is a game changer for any home cook who loves fresh herbs but hates seeing them wilt in the fridge.
So grab that big bunch of basil, get your olive oil ready, and start freezing basil with olive oil today for a taste of summer all year long.