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Regular basil can absolutely be substituted for Thai basil, and it’s a swap that works surprisingly well in most recipes.
If you’re mid-recipe and realize you don’t have Thai basil on hand, regular basil is your best bet.
The flavor is a little different, sure, but it’s close enough that you’ll still get that fresh, aromatic herb kick.
In this post, we’ll break down why regular basil can be substituted for Thai basil, what differences to expect, and how to get the closest match possible.
Let’s dig in.
Why Regular Basil Can Be Substituted for Thai Basil
Regular basil can be substituted for Thai basil because they share the same botanical family and a similar flavor foundation.
Both are members of the mint family, and they both bring that sweet, peppery, slightly spicy note to dishes.
The main difference is that Thai basil has a stronger anise or licorice flavor, while regular basil is sweeter and more mild.
That means when you use regular basil as a substitute for Thai basil, you’re not going to get the exact same taste, but you’ll still get a delicious result.
1. Flavor Profile Differences
Regular basil is often called sweet basil, and that name says it all.
It’s gentle, slightly peppery, and has a hint of mint with a touch of sweetness.
Thai basil, on the other hand, is more robust with a distinct licorice or anise flavor upfront.
It also has a slight spiciness that regular basil just doesn’t have.
So when you substitute regular basil for Thai basil, you’ll lose that licorice punch, but the dish will still taste fresh and herby.
2. Appearance and Texture
If you’ve seen both herbs side by side, you know they look quite different.
Thai basil has purple stems, purple flower buds, and narrower, pointed leaves with serrated edges.
Regular basil has bright green stems and broader, smoother, rounded leaves.
When you’re cooking, this visual difference doesn’t matter much because both herbs soften and wilt similarly when heated.
But if you’re using the herb as a garnish, regular basil can still be substituted for Thai basil visually, it just won’t have that striking purple hue.
3. Cooking Behavior
One thing to keep in mind is how each herb holds up in heat.
Thai basil is famously sturdy and keeps its texture even when tossed into hot soups or stir-fries at the last minute.
Regular basil is more delicate and tends to wilt faster and lose its color quicker.
So if you’re making a piping hot pho or a sizzling stir-fry, add the regular basil at the very end or even right before serving.
That way, you get the fresh flavor without it turning into a mushy green mess.
How to Get the Closest Match When Substituting Regular Basil for Thai Basil
Regular basil can be substituted for Thai basil, but you can tweak a few things to make the swap even closer.
If you’re missing that anise flavor, you have a couple of clever tricks up your sleeve.
1. Add a Touch of Anise or Fennel
Because Thai basil’s signature note is licorice, you can mimic that by adding a pinch of ground anise or fennel seed to your dish.
You don’t need much, just a tiny sprinkle can bridge the flavor gap.
Another option is to add a small amount of fresh tarragon, which also has that anise-like profile.
Just be gentle, you want to hint at the flavor, not overpower the whole meal.
2. Use More Regular Basil Than Called For
Since regular basil is milder, you might need to use a bit more to get the same level of herbal presence.
If a recipe calls for a cup of Thai basil, try using a packed cup and a half of regular basil.
This is an easy way to ensure the basil flavor doesn’t get lost in the background.
You can always taste as you go and add more if needed.
3. Combine with Other Herbs
You can also build a more complex flavor by mixing regular basil with a little fresh mint.
Mint adds a cooling, aromatic quality that brings it closer to Thai basil’s complexity.
A small handful of cilantro can also round things out if you’re making Southeast Asian dishes.
This combination can effectively work as a substitute for Thai basil in most recipes.
Best Dishes to Use Regular Basil as a Thai Basil Substitute
Regular basil can be substituted for Thai basil in almost any dish, but some handle the swap better than others.
Stir-fries, curries, noodle soups, and rice dishes all work wonderfully.
1. Thai Stir-Fries
Dishes like Thai basil chicken or drunken noodles rely heavily on Thai basil for that aromatic kick.
Using regular basil will still give you a tasty stir-fry, just a touch sweeter and less anise-forward.
To compensate, consider adding a pinch of star anise or fennel to the sauce.
2. Soups and Broths
For soups like pho or tom yum, regular basil can be substituted for Thai basil quite easily.
Just stir it in at the last minute so it doesn’t overcook.
The hot broth will release the essential oils and perfume the whole bowl.
3. Pesto and Sauces
If you’re blending basil into a pesto or sauce, the flavor difference is even less noticeable.
The other ingredients, like garlic, oil, and nuts, will dominate anyway.
So feel free to use regular basil generously in these applications.
When Not to Substitute Regular Basil for Thai Basil
While regular basil can be substituted for Thai basil in most cases, there are a couple of scenarios where it’s not ideal.
If you’re making a dish where Thai basil is the absolute star and you’re a stickler for authenticity, you might notice the difference.
Also, if the dish is served raw like a fresh herb salad or wrap, the sturdier texture of Thai basil is hard to beat.
But honestly, for home cooking, the swap will still yield a delicious meal.
So, Can Regular Basil Be Substituted for Thai Basil?
Yes, regular basil can be substituted for Thai basil, and it’s a perfectly practical swap for most home cooks.
You’ll get a slightly different flavor profile, less licorice and more sweetness, but your dish will still taste wonderful.
So next time you’re out of Thai basil, don’t panic.
Reach for the regular basil and follow the tips we shared to bring it closer to the authentic flavor.
Happy cooking.