I used to think holy basil and Thai basil were interchangeable, until I used the wrong one in a stir-fry and wondered why it didn't taste right. They look similar on the shelf, but they're different herbs with different jobs in the kitchen.
In this guide, I'm breaking down the difference between holy basil and Thai basil: how they taste, when to use each one, and why I reach for one over the other depending on what I'm making.
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What is Thai Basil?
Thai basil is a staple in Southeast Asian cooking. It has a licorice-like aroma and holds its shape and flavor well during cooking. That's why I love using it in dishes like:
- Pad Krapow Gai – Traditionally made with holy basil (krapow literally means holy basil in Thai), though Thai basil is the common substitute when holy basil isn't easy to find, and it still makes a bold, spicy chicken dish.
- Basil Chicken and Mushroom Stir-Fry – A quick, comforting meal with fragrant basil flavor.
- Pasta night favorites – Yes, I toss Thai basil into Alfredo pasta, Boursin pasta, and even Kielbasa pasta for a fun, herbaceous addition.
It's incredibly versatile, and once you start using it beyond traditional recipes, you'll find it works in more dishes than you'd expect.
What is Holy Basil?
Holy basil, or Tulsi, is best known for its healing properties rather than as an everyday cooking herb. It's a sacred plant in Indian households and Ayurvedic medicine, and it's also the traditional basil behind pad krapow in Thailand, even though Thai basil is the more common substitute outside Thailand today.
What it tastes like:
- Peppery, bold, with a slightly bitter clove undertone.
How it's used:
- Brewed into herbal tea
- Mixed into wellness shots or tonics
- The traditional basil in Thai dishes like pad krapow, though less common in everyday Indian cooking outside specific dishes and remedies
Holy Basil vs Thai Basil in Cooking
Thai Basil Shines In:
- Vietnamese pho
- Pasta dishes that need a sweet, herbal lift
TIP: Add Thai basil at the end of cooking or as a garnish to preserve its aroma.
Holy Basil Works Best:
- In Ayurvedic drinks like golden milk or honey-tulsi shots
Health Benefits
Holy Basil (Tulsi):
- Traditionally used in Ayurvedic medicine to help the body manage stress
- Contains compounds believed to have natural anti-inflammatory properties
- Commonly brewed into teas and tinctures associated with immune support
Thai Basil:
- Rich in antioxidants
- Traditionally associated with digestive benefits
- Boosts flavor without added salt or fat
How to Grow & Store Them
Holy Basil:
- Best in warm, sunny spots
- Can be grown in small containers
- Prone to wilting in heat
Thai Basil:
- Thrives in full sun
- Grows fast, great for weekly harvesting
- Stores well as a frozen herb puree or dried
FAQs About Holy Basil vs Thai Basil
No. They're different species with unique flavors, uses, and cultural backgrounds.
Yes, though it's used less often than Thai basil outside of Thailand. It's the traditional basil in dishes like pad krapow, and it actually holds up well to heat, growing more intense in flavor as it cooks rather than fading.
Not hot-spicy. It has a sweet and slightly peppery flavor with hints of licorice.
Yes. I use it in Alfredo, Boursin, and Kielbasa pasta for a fun, herbaceous addition.
The next time you see a recipe calling for basil, take a closer look. Holy basil and Thai basil are not interchangeable, but each brings something special to the table, whether it's a burst of flavor in your stir-fry or a calming sip of tulsi tea.
And if you're anything like me, once you start adding Thai basil to your favorite pasta dishes, you might never go back to plain sweet basil again.
More Thai Recipes You'll Love
- Thai Chicken Satay Recipe
- Thai Peanut Sauce Recipe
- Shrimp and Avocado Spring Rolls with Thai Peanut Sauce
- Thai Crying Tiger Steak Recipe
- Ninja Creami Thai Tea Ice Cream Recipe
Found This Helpful?
Let me know in the comment box below if this cleared things up, or if you're still working out which basil to reach for. And if you found it useful, I'd love it if you shared it on Facebook, Pinterest & Instagram.
