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All You Need to Know about Nuoc Cham, Vietnam's Go-To Dipping Sauce

15 March 2026 at 14:51

Phew! We sent Cooking Thai to print this week. Like I usually do, I kissed the last review copy and hit “send”; this time I was wearing red lipstick. It’ll be fabulous to soon have chef Pim’s brilliant recipes and techniques out for you all to use. The release date is August 25, 2026.

So, after what do I do after a lengthy stretch of nearly non-stop work? I spent time in my garden, then cooked and played in my kitchen to spark my brain to be extra curious and creative. I bought a new toy — the Ninja combi steam oven, and have been test driving it. The small appliance has 16 different functions! Yeah, it steams up when it cooks but for good reasons. As I progress in trying it out, I’ll report my experiences via the website.

I also made bún rice noodle salad bowls with grilled pork skewers and shrimp. It’s the cover recipe from Vietnamese Food Any Day (see page 197). It’s healthy, fresh, and versatile. I let the skewered meat marinate overnight and it got more tender. The shrimp were grilled shell-on for flavor; we peeled them at the table before diving in. Yes, those are Trader Joe’s fried shallots and roasted peanuts on top, excellent time savers.

Making the bún bowls got me thinking and then rethinking how to make nước chấm well. I’ve been making it for nearly forty-five years, since about the time I was in junior high school. Out of the blue one day my mom assigned me to do it. She likely said something like, “Mẹ cần con pha nước chấm,” which roughly means “I need you to make the dipping sauce”.

I knew the ingredients but there was little guidance. I don’t know if it was a rite of passage for a Viet girl or a test. But seeing as how my mom was put in charge of overseeing her family’s cooks when she was a tween, she likely looked at me and figured that the least that I could do is make rice and the dipping sauce — two fundamental Vietnamese foods that can make or break a meal. She’d already taught me to use the rice cooker so it was my time to pha nước chấm.

In Vietnamese, the word pha means to formulate, mix, prepare, or to make. I messed up so much at first because I was just randomly mixing stuff together — lime juice, sugar, water, and fish sauce. It did not always taste good but my family always kindly gave me a pass.

Nước chấm (pronounced “nook chahm”) defines the final flavors of countless Vietnamese snacks, salads, lettuce and rice paper wraps, noodle bowls, and rice plates. Even when the table sauce wasn’t officially part of dish, it’s an unspoken truth in Vietnamese cooking that the amber sauce is magical. It can transform mundane ingredients, making them say, “I’m Vietnamese!”

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Drizzle, dunk or toss simply fried, grilled, steamed, boiled, or raw foods in nước chấm and they instantly taste special in a Viet-ish way.

If nước chấm is so tricky to make, can’t you just buy it? It’s silly to buy bottled premade sauce, labeled as “nước mắm pha sẵn”, sold at hardcore Viet markets. Who knows how old that stuff is? Who knows what kind of ingredients were used? And, what if you want to make it low sugar, low sodium, or vegan? What if you don’t have citrus around? What if you wanted to keep it for days? Why let someone else determine how your food tastes? The bottle is likely worth more than its contents. Seriously.

A word on words — nước chấm vs. nước mắm

Though the official name of the sauce is nước chấm (literally dipping sauce), Viet speakers often use the shorthand, “nước mắm” to mean nước chấm. Nước mắm on its own means fish sauce but in the context of “nước mắm pha” or “pha nước mắm”, the phrase signals that fish sauce has been diluted, seasoned, and formulated to serve as a table sauce to accentuate other foods.

You’re safest to say nước chấm to a Viet speaker so they are clear that you’re talking about the dipping sauce; reserve nước mắm for discussing fish sauce. However, if you hear someone talking about nước mắm, they may be talking about the pure condiment or the dipping sauce.

Over the years, I’ve made nuoc cham (let’s omit diacritics from here on in so I can type faster 😄) many ways and talked to others how they finesse theirs. I’ve futzed and finessed it to make it on a whim and have written recipes for it. I’ve got tricks and tips to share with you in this dispatch, which includes:

  • Three recipes in text plus downloadable PDF for:

    • Classic nuoc cham

    • Make-ahead nuoc cham

    • Vegan nuoc cham hack

  • A thorough break down of ingredients so you understand how each functions, how to choose them wisely, how to troubleshoot, plus how to get creative!

To borrow from the Home Depot’s slogan: You can do it. I can help.

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