Soy Sauce: The Ultimate Guide to Choosing the Right One

Soy sauce is a cornerstone of Asian cuisine, but navigating the supermarket aisle can often be a puzzle. Light, dark, salty, sweet, Japanese, Chinese?? How do you know which one to choose for your sushi, marinades, or stir-fries??

As the Head of Product Recommendations at Joybuy, I'm here to help you make sense of it all. Our mission?: to demystify the different types of soy sauce to help you find the bottle that will elevate your dishes, all without any unnecessary marketing jargon.

How to Choose the Right Soy Sauce

Before you grab the first bottle you see, it's essential to understand a few key distinctions that will transform your cooking experience.

1. Light Soy Sauce vs. Dark Soy Sauce: A Matter of Use

This is THE fundamental distinction, especially in Chinese-inspired Asian cuisine.

• Light Soy Sauce: This is the most common and versatile type. Thinner and with a translucent, reddish-brown colour, it is primarily used for its salty taste and umami flavour. It is the quintessential salty soy sauce, ideal for seasoning stir-fries, soups, dressings, or for dipping (the classic soy sauce for sushi).
• Dark Soy Sauce: Thicker and more opaque, it has been aged longer and often contains molasses or caramel, giving it an almost black colour and a sweeter, less salty flavour. Its purpose is less about adding saltiness and more about adding colour to dishes and bringing depth to them. It is perfect for stews, braised meats (like lacquered pork), and marinades where you want to impart a rich, appetising hue.

2. The Production Method: A Mark of Complexity

There are two main production methods:

• Natural Brewing: This is the traditional method. Soybeans and wheat are cooked, mixed with a starter culture (koji), and then left to ferment slowly in a brine for several months. This long process allows a complex palette of flavours and a rich aroma to develop. Brands like Kikkoman or Lee Kum Kee favour this method for their premium lines.
• Chemical Hydrolysis: A much faster industrial process that breaks down soy proteins with acid. The result is often flatter on the palate, more aggressively salty, and colourings or flavour enhancers are frequently added to mask the lack of aromatic depth.

Our advice? For an authentic flavour, always choose sauces that state "naturally brewed" on their label.

3. The Ingredient List: Simplicity Is Often a Good Sign

A good soy sauce doesn't need a long list of ingredients. On the contrary, simplicity is often a sign of quality. The four fundamental ingredients are:

• Water
• Soybeans (SOY)
• Wheat (WHEAT or GLUTEN)
• Salt

Some variations may include a little sugar to balance the bitterness, or yeast extract to enhance the umami, which is perfectly acceptable.

Recommended Soy Sauces

To get you started, here are our three recommendations, each meeting a specific need.

1. LEE KUM KEE Premium Light Soy Sauce 500ml

What sets it apart The Premium light soy sauce from Lee Kum Kee is a true classic, an essential in Asian kitchens. Brewed from non-GMO soybeans, it offers a pronounced umami flavour and a rich aroma that make it an ultra-reliable staple condiment. Its translucent, reddish-brown colour is typical of a quality light soy sauce.

Highlights

• Versatility: Perfect for dipping, for light marinades, or for seasoning a wok.
• Balanced flavour: A distinct salty taste that is never overpowering, with a beautiful aromatic complexity.
• Quality ingredients: Made from non-GMO soybeans and quality wheat.

Who is it for? For those looking for an everyday soy sauce that is both high-performing and versatile. It's the one bottle you absolutely must have in your pantry to get started with Asian cooking or for regular use.

2. Kikkoman Soy Sauce 150ml

What sets it apartKikkoman soy sauce is a global benchmark, renowned for its traditional Japanese recipe that is over 300 years old. It is the result of 100% natural brewing and contains only four ingredients: water, soybeans, wheat, and salt. That's it. Its taste is a model of umami balance.

Highlights

• Clean recipe: Four ingredients, and nothing else. No additives whatsoever.
• Naturally brewed: The guarantee of true depth of taste and a delicate aroma.
• Adaptability: While it excels as a soy sauce for sushi, it also pairs surprisingly well with Western dishes like pasta, burgers, or even salad dressings.

Who is it for? For purists seeking a universal, Japanese-style soy sauce with a clean, authentic taste. Its small format is also very practical for table service or for occasional use.

3. LEE KUM KEE Premium Dark Soy Sauce 500ml

What sets it apart This is the secret ingredient for giving your dishes that deep, appetising mahogany colour. The dark soy sauce from Lee Kum Kee is less salty than its light counterpart, but thicker and slightly sweet. Its role is primarily visual and aromatic.

Highlights

• Colouring power: Perfect for glazing braised meats, caramelising stews, and tinting stir-fried noodles.
• Rich flavour: Adds notes of caramel and roundness to slow-cooked dishes.
• The perfect duo: Use it in tandem with light soy sauce for the ideal balance of colour and saltiness.

Who is it for? For fans of Chinese stews (like Hong Shao pork) or for anyone who wants to master the art of colouring in the kitchen. It's a more specific condiment, but one that truly makes all the difference.

Looking for other options?

Our selection covers the most common uses, but the world of soy sauce is vast (sweet, reduced-sodium, gluten-free...). To explore other varieties that meet more specific needs, feel free to browse our full range.

? Discover our entire soy sauce seasoning category

Soy Sauce: Your Questions, Our Answers

1. What is the difference between Chinese and Japanese soy sauce? To put it simply, Chinese soy sauces are divided into "light" (for saltiness) and "dark" (for colour). Japanese soy sauces (shoyu), on the other hand, are most often all-purpose, light-style sauces. They are brewed with as much roasted wheat as soy, which gives them a sweeter, more nuanced aroma. Kikkoman is the perfect example.

2. Can you substitute dark soy sauce with light soy sauce? You can, but the result will be completely different. By replacing dark with light, your dish will be saltier and will lack that beautiful amber colour. Conversely, it will lack saltiness. The ideal solution is to have both bottles in your pantry if you cook Asian food regularly.

3. How should you store soy sauce? Before opening, a cool, dark cupboard is sufficient. Once the bottle is opened, it belongs in the refrigerator! This is essential to slow down oxidation and preserve its rich aromas, especially for naturally brewed sauces.