What is Tamari and How To Use It?

Tamari is a Japanese soy sauce made mostly or only from soybeans, with little or no wheat. That makes it darker, a little thicker and rounder in flavor than regular soy sauce, and it’s the reason people who avoid gluten reach for it. It’s one of the classic Japanese condiments, and if you’ve seen it on the shelf and wondered whether it’s worth buying, here’s what it is and how to use it.

What exactly is tamari?

Tamari started out as the dark liquid that collected while miso was fermenting. Today it’s brewed on its own from soybeans, salt, water and koji (the same mold used for miso and sake), usually with little or no wheat. You can read more about its background on Wikipedia. In practice, that means:

• Origin: It originated as a byproduct of miso paste production. As the soybeans fermented to make miso, a dark, flavorful liquid naturally accumulated, and that liquid is Tamari!
• The Key Difference: The most important distinction between Tamari and most common soy sauces is the wheat content. Traditional soy sauce is typically brewed with a mixture of soybeans and wheat. Tamari, on the other hand, is traditionally made with little to no wheat, making it an ideal choice for anyone on a gluten-free diet (though always check the label, as some commercial varieties may contain trace amounts).
• Flavor Profile: Tamari offers a richer, smoother, and more balanced taste than regular soy sauce. It has an intense, deeply savory flavor known as umami, often described as less salty and with a more mellow finish. Its texture is also slightly thicker, which helps it cling beautifully to food.

How to use tamari

Use it anywhere you’d use soy sauce. These are the places it really shines.

1. The Gluten-Free Swap

The simplest way to use tamari is as a 1:1 swap for soy sauce. If you cook gluten-free, check that the bottle actually says gluten-free, because some brands still add a little wheat. Use it in:

• Stir-fries: It adds a deeper, more refined savory note to vegetable, tofu, or meat stir-fries.
• Fried Rice/Noodles: A small splash adds a lot of flavor to these classic dishes.
• Soups and Broths: Use a small amount to add complex depth to ramen, pho, or even vegetable stock.

2. Perfect Dipping Sauce and Condiment

Because of its smoother, less harsh salinity, Tamari is often preferred as a dipping sauce.

• Sushi and Dumplings: Use it straight or mix it with ingredients like ginger, garlic, or a drop of sesame oil for a custom dipping sauce.
• Flavor Boost: Keep it on the table to dash over roasted vegetables, plain rice, or grilled fish for a quick flavor injection.

3. Marinades and Glazes

The thicker consistency of Tamari allows it to coat ingredients exceptionally well, making it a star in marinades.

• Marinades: Combine Tamari with honey, maple syrup, ginger, and garlic to marinate chicken, fish, tofu, or tempeh. The rich flavor penetrates deeply, especially with longer marinating times.
• Glazes: Reduce a Tamari-based marinade on the stovetop to create a rich, savory-sweet glaze for grilling or roasting.

What does tamari taste like?

Salty and deeply savory, with a rounder, less sharp taste than most soy sauces. It’s not low in salt though, so don’t assume it’s the lighter option. Read the label if you’re watching sodium.

Tamari substitutes

• Soy sauce: the easiest swap, 1:1. It will taste a little sharper and it contains wheat.
• Coconut aminos: soy-free and gluten-free, sweeter and less salty, so you may need a pinch of salt.
• Liquid aminos: close in flavor, made from soybeans, and usually gluten-free.

How to store tamari

An unopened bottle keeps for a long time in the pantry. Once it’s open, it’s safe at room temperature for months, but the flavor stays fresher in the fridge. Same idea as how long miso lasts in the fridge.

Tamari vs soy sauce in one minute

Feature	Tamari (Typically)	Traditional Soy Sauce
Wheat Content	Little to None (usually Gluten-Free)	Brewed with Wheat
Flavor	Richer, Smoother, Less Salty, Stronger Umami	Sharper, Saltier, Lighter Umami
Texture	Slightly Thicker	Thinner, More Liquid
Appearance	Darker Color	Lighter Color

Want the full comparison, including when to use each one? Read tamari vs soy sauce: what’s the difference.

Tamari FAQ

Is tamari gluten-free?

Usually, but not always. Only trust a bottle that’s clearly labeled gluten-free.

Is tamari healthier than soy sauce?

Not really. The sodium is in the same range, so it’s not a low-salt choice. The real benefit is for people who need to avoid wheat.

Is tamari the same as soy sauce?

It’s a type of soy sauce. Regular Japanese soy sauce (shoyu) is brewed with wheat, while tamari is made mostly from soybeans.

Does tamari need to be refrigerated?

No, but it keeps its flavor longer in the fridge once opened.

If you only keep one bottle in the house, tamari covers everything soy sauce does. Try it in a quick chicken stir fry and taste the difference.