Vietnamese Nem Nướng Summer Rolls

Vietnamese Nem Nướng Summer Rolls with My Mom’s Secret Dipping Sauce

Vietnamese summer rolls have always been one of those foods that feel like home to me. They’re fresh, simple, meant to be shared, and usually involve everyone sitting around the table making their own.

But these nem nướng summer rolls are a little different from the classic shrimp-and-pork gỏi cuốn most people know.

Instead of boiled pork and shrimp, we make them with Vietnamese grilled pork sausage — nem nướng — along with rice noodles, lettuce, cucumber, and fresh herbs. The pork is smoky, savory, slightly sweet, and gets even better when you let the edges caramelize.

And then there’s the sauce.

For me, this recipe is really about my mom’s secret dipping sauce.

It’s thick, creamy, salty, sweet, tangy, garlicky, and a little spicy. She makes it with yellow split mung beans, which are cooked until soft, blended smooth, and thickened into almost a creamy gravy-like consistency before being seasoned with fish sauce, sugar, garlic, fresh lime, and red chili.

If you've ever had the famous nem nướng cuốn at Brodard in Orange County, California, you probably remember that unmistakable thick orange dipping sauce that comes alongside the rolls.

Traditional Nha Trang-style nem nướng sauces can be much richer and more complex than standard nước chấm, with versions made from ingredients like sticky rice and ground pork.

My mom’s sauce isn't exactly the same. It’s our family's version, and instead of pork or cooked sticky rice, mung beans give it that creamy body and richness.

It’s one of those recipes where the sauce almost steals the show.

What Is Nem Nướng?

Nem nướng is Vietnamese grilled pork, typically seasoned with garlic, sugar, fish sauce, and other savory seasonings before being grilled until caramelized.

You’ll often see it formed into sausages, patties, or skewers.

In Vietnam, especially around Nha Trang, nem nướng is commonly served as part of a spread with rice paper, herbs, vegetables, and dipping sauce so everyone can assemble their own rolls at the table.

For this version, I keep things easy and use premade nem nướng sausage meat, which you can find at many Vietnamese or Asian markets.

I like forming it into small sausages and air-frying or grilling them until deeply browned around the edges.

Once cooked, slice them lengthwise and they’re ready for the rolls.

The Secret Is Really the Sauce

Most people know Vietnamese summer rolls with either classic nước chấm or a hoisin-peanut dipping sauce.

This is neither.

My mom starts with yellow split mung beans.

The mung beans are soaked overnight and then boiled until completely tender. Once blended, they turn incredibly creamy and give the sauce a body almost like a purée.

Then she thickens it slightly with cornstarch.

Fish sauce brings the salt and umami.

Sugar balances it.

Garlic gives it that sharp savory bite.

Fresh lime wakes everything up.

And minced red chili adds just enough heat.

It’s creamy without dairy, rich without being heavy, and completely different from the thin nước chấm most people associate with Vietnamese rolls.

5 Tips for Better Nem Nướng Summer Rolls

1. Get Some Color on the Nem Nướng

Whether you grill, pan-fry, or air-fry it, don't stop once the pork is simply cooked.

You want those dark caramelized edges.

That slight char adds a ton of flavor once everything is wrapped together.

2. Don't Over-Soak Your Rice Paper

This is probably the biggest mistake people make with summer rolls.

Dip the rice paper briefly in cool or room-temperature water (just enough to wet all sides and remove immediately)

It may still feel a little firm when you remove it.

That's okay.

It continues softening while you add your fillings. If you leave it in the water until completely soft, it can become sticky and tear before you even start rolling.

3. Don't Overfill

It's tempting to load everything inside, but a smaller amount of each ingredient actually makes a better roll.

You should be able to taste the pork, herbs, vegetables, noodles, and sauce together.

Too much filling also makes the rice paper much more likely to break.

4. Fresh Herbs Matter

The herbs aren't just decoration.

They are a huge part of the flavor of Vietnamese food.

Use whatever combination you can find:

• Mint

• Thai basil

• Cilantro

• Vietnamese perilla

• Scallions

• Fresh lettuce

Even just mint, cilantro, and lettuce will make a huge difference.

5. Let the Sauce Cool Before Serving

The mung bean sauce thickens as it cools.

You want it thick enough to cling to the roll, but still loose enough for dipping.

If it becomes too thick, stir in a small splash of warm water until it reaches the consistency you like.

Vietnamese Nem Nướng Summer Rolls

Makes

Approximately 10–12 rolls

Ingredients

For the Nem Nướng

• 1 package premade Vietnamese nem nướng pork sausage mixture

• Neutral oil, as needed

For the Summer Rolls

• 10–12 large round rice paper wrappers, approximately 22 cm / 8½ inches

• Dried rice vermicelli noodles

• 1 small head green leaf or red leaf lettuce

• 1 cucumber, cut into thin strips

• 1 carrot, julienned or pickled

• Fresh mint

• Fresh cilantro

• Thai basil or Vietnamese perilla, optional

• Scallions, optional

My Mom’s Secret Mung Bean Nước Chấm

Ingredients

• 1/2 cup dried yellow split mung beans, soaked in 1 cup water

• Water, for soaking and cooking

• Cornstarch slurry: 1 tablespoon cornstarch and 2 tablespoons water

• ½ cup water

• ¼ cup Chinsu Fish sauce, to taste

• ¼ c sugar, to taste

• 3 cloves garlic, finely minced

• 1 lime (juice of one lime)

• 1 small red chili, finely minced

• Chinsu Chili Sauce (to taste, and for color, about 1-2 tbs)

Optional

• A little CHIN-SU hot sauce or Vietnamese chili sauce for additional heat

• Pinch of MSG

How to Make the Secret Mung Bean Dipping Sauce

Step 1: Soak the Mung Beans

Rinse then place the yellow split mung beans in a bowl and cover generously with water.

Soak overnight.

Drain before cooking.

Step 2: Cook Until Very Soft

Transfer the soaked mung beans to a small saucepan and cover with 1/2 cup of fresh water.

Bring to a boil, then reduce the heat and simmer until the beans are completely tender.

You want them softer than you would normally cook beans because we're going to blend them into a smooth sauce.

Step 3: Blend

Transfer the cooked mung beans to a blender.

Add a little of the reserved cooking water and blend until completely smooth and creamy.

The consistency should be similar to a loose purée.

Pour it back into the saucepan.

Step 4: Thicken the Sauce

Mix:

• 1 tablespoon cornstarch

• 2 tablespoons water

Stir until completely smooth.

Slowly add the slurry to the mung bean mixture while stirring.

Simmer over low heat until the sauce thickens.

Remember that it will continue getting thicker as it cools.

Step 5: Season

Now comes the part my mom has always done mostly by taste. Transfer to a bowl and add:

• Fish sauce for saltiness and umami

• Sugar for sweetness

• Minced garlic

• Fresh lime juice

• Minced red chili

Taste and adjust.

You want the final sauce to hit several things at once:

savory, sweet, tangy, garlicky, and slightly spicy.

If it's too thick, thin it with a little warm water.

If it tastes flat, it probably needs either a little more fish sauce or lime.

Let cool before serving.

How to Cook the Nem Nướng

Form the premade nem nướng mixture into small sausage shapes.

You can grill them traditionally, but I often use the air fryer because it's fast and easy.

Arrange the sausages in a single layer and cook at approximately 375–400°F until cooked through and caramelized on the outside.

Turn them during cooking so they brown evenly.

The pork should reach a safe internal temperature of 160°F.

Allow the nem nướng to rest briefly, then slice each sausage lengthwise into thin pieces.

Prepare the Remaining Ingredients

Cook the rice vermicelli according to the package instructions.

Drain and rinse under cool water, then allow the noodles to drain thoroughly.

Wash and dry your lettuce and herbs.

Cut the cucumber into thin strips.

Julienne your carrots, or use Vietnamese pickled carrots and daikon if you have them.

Arrange everything on a large platter.

This is one of those meals that looks best when all the ingredients are spread out on the table.

How to Roll Nem Nướng Summer Rolls

Fill a large shallow bowl or plate with cool water.

Dip one sheet of rice paper briefly into the water.

Place it on a clean plate or cutting board.

Toward the bottom third of the wrapper, add:

• Lettuce

• A small handful of rice noodles

• Cucumber

• Carrot

• Fresh herbs

Place a few slices of nem nướng just above the vegetables so they'll show through the finished wrapper.

Fold the bottom edge over the filling.

Fold both sides inward.

Then roll everything tightly away from you like a burrito.

Repeat with the remaining ingredients.

How to Serve Them

Serve the rolls immediately with a generous bowl of the mung bean dipping sauce.

I like keeping the sauce slightly warm or at room temperature rather than refrigerator-cold.

Dip the whole end of the roll into the sauce so you get some with every bite.

That's when everything comes together:

The smoky, slightly sweet pork.

The cool cucumber.

The fresh herbs.

The chewy rice noodles.

And that thick, salty-sweet, tangy sauce.