I run one of the largest product comparison platforms online, and fish sauce is one of the most misunderstood pantry staples we evaluate across food and kitchen categories. The most common mistake is using fish sauce like soy sauce. It is far more concentrated. Home cooks often add too much too early, overwhelming a dish. The fix is to treat it like salt. Add a few drops at the end, taste, then adjust. Another mistake is cooking it aggressively. High heat can amplify its funk. Use it in finishing sauces, marinades, or soups after simmering. Finally, many cooks buy low-quality brands. Higher-quality fish sauce has fewer ingredients and delivers depth without harshness. Albert Richer, Founder, WhatAreTheBest.com
Home cooks usually run into the same few problems with fish sauce, and they're all easy to fix once you know what's going on. 1. Using too much, too fast The biggest mistake is pouring it in like soy sauce. Fish sauce is far more intense, so a tablespoon can wreck a dish that only needed a teaspoon or a few drops. Fix: Start tiny (a few drops), stir, then taste and adjust. Treat it like liquid salt + umami, not like a main liquid. 2. Adding it at the wrong time Dumping it in at the very end can make the fishiness feel sharp and harsh, but boiling it hard for a long time can dull the flavor. Fix: For soups, curries, stir-fries, add most of it during cooking so it mellows into the dish, then fine-tune with a small splash at the end if needed. 3. Not balancing the flavor Fish sauce on its own is salty and funky. If you don't balance it with acid, sweetness, or aromatics, the dish can taste flat or just "fishy." Fix: Pair it with lime or vinegar, a bit of sugar, garlic, and chili (classic Southeast Asian balance). That's why so many dipping sauces are fish sauce + acid + sugar + aromatics. 4. Treating all brands as the same Some bottles are darker, saltier, or more diluted, and cheaper ones often have additives that taste harsher. Swapping brands 1:1 can suddenly make your usual recipe too salty or funky. Fix: When you open a new brand, taste a drop straight, then re-calibrate how much you use. Look for brands with short ingredient lists (anchovy, salt, water, maybe a little sugar). 5. Using it only in "Asian" dishes Many home cooks think fish sauce is only for Thai or Vietnamese recipes, so they barely touch the bottle. In reality, chefs sneak it into everything from tomato sauces to stews for hidden depth. Fix: Add a tiny splash to things like fried rice, tomato soup, vinaigrettes, braises, or even mac and cheese in place of some salt or Parmesan. It should disappear into the background and just make everything taste more savory. If you remember three things, start small, balance with acid/sugar, and taste as you go, you'll stop fearing fish sauce and start using it like a secret weapon in your cooking.