If your basil plant is growing faster than you can use it, basil salt is one of the easiest and most rewarding ways to preserve that fresh flavor. It’s a fragrant, herby seasoning salt made from just two ingredients, and it’s incredibly versatile — sprinkle it over pasta, roasted vegetables, tomatoes, eggs, or grilled meats for an instant flavor boost. Best of all, it takes just minutes of hands-on time to make.
Why Make Basil Salt?
Fresh basil wilts quickly and doesn’t freeze particularly well, but turning it into basil salt locks in its flavor for months. The salt draws out moisture from the basil and acts as a natural preservative, while also infusing itself with that distinct basil aroma. It’s a great way to use up a bunch of basil before it goes bad, and it makes a lovely homemade gift too.
Ingredients
- 1 cup fresh basil leaves, packed (stems removed)
- ½ cup coarse sea salt or kosher salt
Note: You can scale this ratio up or down as needed — the key ratio is about 2 parts basil to 1 part salt by volume.
Equipment
- A food processor (or a mortar and pestle for a more rustic texture)
- A baking sheet lined with parchment paper
- An airtight jar for storage
Instructions
Step 1: Wash and dry the basil
Rinse the basil leaves gently under cool water to remove any dirt, then pat them completely dry with a clean kitchen towel or paper towels. Any leftover moisture can cause the salt to clump or the basil to mold, so make sure the leaves are as dry as possible before moving on.
Step 2: Remove the leaves from the stems
Pluck the basil leaves off their stems — you only want the leaves for this recipe, since the stems are tougher and less flavorful.
Step 3: Process the basil and salt together
Add the basil leaves and salt to a food processor. Pulse several times, scraping down the sides as needed, until the basil is finely chopped and evenly distributed throughout the salt. The mixture will turn a vibrant green color. If you don’t have a food processor, you can finely chop the basil by hand and mix it thoroughly with the salt in a bowl, or use a mortar and pestle to grind them together.
Step 4: Spread and dry
Spread the basil salt mixture in a thin, even layer on a parchment-lined baking sheet. Let it air dry at room temperature for 24-48 hours, stirring occasionally to help it dry evenly and to break up any clumps. The mixture is ready when it feels dry to the touch rather than damp or clumped together.
Oven-drying option: If you want to speed up the process, spread the mixture on a baking sheet and place it in an oven set to its lowest temperature (around 170°F/75°C) with the door slightly ajar. Check every 15-20 minutes and stir, removing it once fully dry — this usually takes 30-60 minutes depending on your oven.
Step 5: Break up and store
Once fully dry, use your fingers or a fork to break up any remaining clumps so you have a loose, sandy texture. Transfer the basil salt to a clean, airtight jar.
Tips for the Best Basil Salt
- Make sure the basil is completely dry before processing and after spreading it out — any leftover moisture can lead to mold during storage.
- Use coarse salt rather than fine table salt, since it holds up better texturally and doesn’t clump as easily.
- Don’t skip the drying step. Using the salt while it’s still damp will significantly shorten its shelf life.
- Experiment with add-ins like lemon zest, garlic, or other herbs such as rosemary or thyme for a custom blend.
- Label your jar with the date made, since homemade infused salts are best used within a certain window for maximum flavor.
How to Use Basil Salt
- Sprinkle over sliced tomatoes, mozzarella, and olive oil for an easy caprese.
- Season popcorn, roasted potatoes, or grilled corn.
- Finish pasta dishes, pizza, or scrambled eggs.
- Rim the glass of a savory cocktail, like a Bloody Mary.
- Use as a finishing salt on grilled chicken, steak, or fish.
Storage
Store basil salt in an airtight jar in a cool, dry, dark place, such as a pantry cupboard. It will keep well for up to 6 months, though the basil flavor is most vibrant within the first 2-3 months. Avoid storing it near heat or direct sunlight, which can cause the basil to lose its color and flavor faster.
Final Thoughts
Basil salt is a simple, low-effort way to capture the flavor of fresh basil long after the growing season ends. With just two ingredients and a little patience for drying, you’ll have a homemade seasoning that elevates everything from weeknight dinners to dinner party dishes.
