How To Make Basil Extract

This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases. If you click a link and make a purchase, I may receive a small commission at no extra cost to you.

You can make basil extract at home with just a few simple ingredients and about five minutes of hands-on time.

Basil extract is a concentrated liquid that captures the fresh, peppery, and slightly sweet flavor of basil leaves.
 
Making basil extract is a fantastic way to preserve your garden’s summer bounty and have that vibrant taste ready for cooking, baking, or crafting beverages all year round.
 
This guide will show you exactly how to make basil extract using two foolproof methods, so you can skip the store-bought versions with their artificial flavors and high price tags.
 
By the end, you’ll know precisely how to make basil extract that’s potent, aromatic, and perfect for your kitchen.
 

How To Make Basil Extract: The Essential Steps

Learning how to make basil extract isn’t complicated, but the process does require paying attention to a few key details.
 
The core idea behind making basil extract is to draw the volatile oils and flavor compounds out of the fresh leaves using a solvent.
 
For culinary use, that solvent is almost always high-proof alcohol like vodka, which extracts the flavor beautifully and acts as a natural preservative.
 
Let me walk you through the simplest and most reliable way to make basil extract at home.
 

1. Gather Your Fresh Basil And Supplies

The first step to make basil extract is to gather your ingredients, and freshness here matters immensely.
 
You’ll need about two cups of tightly packed fresh basil leaves, stems removed.
 
Choose the best quality basil you can find because the flavor of your extract is a direct reflection of the leaves you start with.
 
You’ll also need a clean glass jar with a tight-fitting lid, like a mason jar.
 
And you’ll need one cup of a high-proof neutral alcohol such as vodka (at least 80 proof or 40% alcohol).
 
The alcohol is the key when you make basil extract because it’s what grabs those aromatic oils from the leaves.
 

2. Prepare Your Basil Leaves Properly

Before you start making basil extract, you need to clean and dry your basil leaves thoroughly.
 
Give them a gentle rinse under cold running water to remove any dirt or tiny insects.
 
Then, the most important step is to dry them completely using a salad spinner or by patting them with a clean kitchen towel.
 
Any water left on the leaves could dilute your extract and potentially cause mold later on.
 
Once your leaves are completely dry, you can roughly chop or tear them, which releases more surface area and helps the alcohol work faster.
 

3. Combine Basil And Alcohol In The Jar

Now it’s time to make basil extract by combining your prepared leaves and the alcohol.
 
Place the chopped basil leaves into your clean glass jar and pour the vodka over them, making sure all the leaves are fully submerged.
 
If you need a bit more alcohol to cover the basil, add it until they’re completely soaked.
 
Use a clean spoon or chopstick to push the leaves down and ensure there are no air bubbles trapped.
 
Then, screw the lid on tightly to create an airtight seal.
 
This is an essential part of how to make basil extract successfully because oxygen can degrade the delicate flavor compounds.
 

4. Store And Steep Your Extract

The steeping time is where the magic happens when you make basil extract.
 
Place your sealed jar in a cool, dark place, like a kitchen cabinet or pantry, away from direct sunlight and heat sources.
 
Let the mixture steep for at least two weeks for a good flavor, but four to six weeks will give you a much stronger and more complex extract.
 
Give the jar a gentle shake every few days to help the extraction process along.
 
During this time, the alcohol will slowly turn a beautiful green as it pulls all that basil goodness out of the leaves.
 

5. Strain And Bottle Your Homemade Extract

After your patience pays off and your basil extract has steeped for a few weeks, it’s time to strain it.
 
Line a fine-mesh strainer with a piece of cheesecloth or a coffee filter and place it over a large measuring cup or bowl.
 
Slowly pour your basil extract through the strainer to catch all the used leaves.
 
Gently squeeze the cheesecloth to extract every last drop of that precious liquid, but try not to squeeze too hard as it can make the extract cloudy.
 
You can strain it a second time to ensure it’s crystal clear.
 
Then, pour your finished basil extract into a dark glass bottle with a dropper or a tight cap, and it’s ready to use.
 

An Alternative Way To Make Basil Extract: The Glycerin Method

If you prefer to avoid alcohol, you can make basil extract using vegetable glycerin instead.
 
Glycerin is a sweet, syrupy liquid that is also an effective solvent for extracting flavors.
 
The process for making basil extract with glycerin is very similar, but it produces a sweeter, non-alcoholic extract.
 
To make basil extract this way, combine one part dried basil with two parts vegetable glycerin and one part water.
 
The water helps the glycerin penetrate the leaf cells, and the glycerin does the flavor extraction.
 
You’ll follow the same steeping process, but you’ll want to leave the mixture for a longer period, around six to eight weeks, because glycerin doesn’t extract as quickly as alcohol does.
 
This method to make basil extract is perfect for those who want to add a sweet basil note to syrups, desserts, or non-alcoholic drinks.
 

Tips For The Best Results When You Make Basil Extract

When you make basil extract, a few extra tricks can make the difference between something good and something truly exceptional.
 
Don’t skip the quality of your basil, as fresh leaves from your garden or the farmer’s market are always superior to older, wilted supermarket packs.
 
Consider lightly toasting or bruising the leaves before adding the alcohol to release even more of their essential oils.
 
And remember that the flavor of your basil extract will continue to mellow and deepen over time, so taste it after a few weeks and see what you think.
 
If you want a spicier or more complex extract, you can also add a few black peppercorns or a small cinnamon stick to the jar before steeping.
 

So, How Do You Make Basil Extract?

Now that you have the full picture, you can make basil extract in your own kitchen with confidence and ease.
 
The most straightforward and common way to make basil extract is to steep fresh basil leaves in high-proof vodka for a few weeks, then strain the liquid.
 
This alcohol method will give you the most potent and true-to-plant flavor for savory cooking and cocktails.
 
If alcohol isn’t your thing, making basil extract with vegetable glycerin is a solid alternative that offers a sweeter profile for confections and drinks.
 
Both methods for making basil extract are simple, cost-effective, and infinitely better than anything you’ll find at the store.
 
So grab some fresh basil and a bottle of vodka, and start making your very own basil extract today to elevate your kitchen creations.
 
The intense, garden-fresh flavor you’ll unlock is absolutely worth the short wait.