If you’ve tried my hot spicy peanut noodles recipe, these cold peanut noodles are their chill, summer-vacation cousin. Same bold, creamy peanut sauce energy—but served cold, extra refreshing, and even faster to make! The cold version leans more into crisp textures, bright acidity, and a super-satisfying chilled noodle bite.
One bowl, one whisk, five minutes of effort, and you suddenly have the kind of cold noodle salad that tastes like you meant to meal prep. And if you’re looking for some other easy recipes for your weekly meal prep to go with these noodles, check out my korean marinated eggs and miso soup. You can also sub this peanut sauce recipe for my spicy thai peanut sauce to switch things up!
Table of Contents
How to Emulsify the Peanut Sauce
This step might seem small, but it makes a huge difference in the final texture of your cold peanut noodles! Peanut butter on its own can be thick and stubborn, especially when you mix it with cold saucy ingredients.
Hot (not boiling) water helps emulsify the sauce — meaning it brings everything together into a smooth, pourable consistency without any clumps or separation. To do it simply:
- Add all your sauce ingredients to a bowl.
- Pour in the hot water a little at a time while whisking or stirring continuously.
- Keep going until the sauce is silky smooth and easy to pour.
- Combine the cold noodles with your peanut sauce and mix well right before serving!
Tip: If your sauce ever feels too thick after chilling, just stir in a splash of hot water to loosen it up again.
Key Ingredients for Cold Peanut Noodles
- Peanut butter: Forms the creamy, rich base of the sauce. Peanut butter emulsifies beautifully with water and soy sauce, giving you that classic cold peanut noodle texture. Use creamy PB for smoothness.
- Soy sauce: Adds savory umami and helps balance the sweetness of the honey. It prevents the dish from tasting flat, which is important when serving noodles cold.
- Honey + rice vinegar: A sweet-and-tangy duo that brings brightness. Cold noodle dishes need acidity so the flavors don’t dull once chilled.
- Sesame oil: Adds nuttiness and depth. Even a tiny amount makes the noodles taste restaurant-level.
- Sriracha: Gives mild heat and balances the richness of the peanut butter. Feel free to swap with chili crisp or sambal oelek.
- Yakisoba (or udon/ramen/rice noodles): Any noodle works, but thicker noodles hold onto the peanut sauce better. Cold udon noodles and ramen are especially good.
- Cucumber + scallions + lime: These add freshness, crunch, and brightness—essential for cold noodle salads.
What Noodles are Best for this Cold Peanut Noodles Recipe?
The best part about this dish? You can use pretty much any noodle you love — it’s super flexible.
- Rice noodles: These are my go-to for cold peanut noodles. They soak up the sauce beautifully and stay springy when chilled. Look for thin or medium-width flat rice noodles.
- Soba noodles: Made with buckwheat, soba noodles add a slightly nutty flavor and are traditionally served cold in Japanese cooking — perfect for this dish.
- Ramen noodles (the instant kind works too): Just cook and cool them down — they’re a great budget-friendly option with lots of texture.
- Udon noodles: Thick, chewy, and perfect for cold dishes. Udon holds onto the peanut sauce really well and stays bouncy even after chilling. Fresh udon is especially good here.
Pro tip: No matter what noodles you use, rinse them in cold water after cooking to stop the cooking process and keep them from sticking. Toss with a splash of sesame oil before adding the sauce if you’re not eating them right away.
Recipe Tip
Use room-temperature peanut butter: If your peanut butter is cold or stiff, your sauce will clump. Microwave for 5–8 seconds to soften before mixing.
Balance the sauce before tossing: Cold noodles mute flavors slightly, so the sauce should taste slightly stronger than you think. Add an extra splash of soy sauce or vinegar as needed.
Don’t skip the acidity: Because the dish is cold, acid helps brighten and balance richness. Lime juice or rice vinegar both work well.
Chill the noodles completely: Warm noodles will absorb too much sauce and become gummy. If you’re in a rush, spread them on a plate and stick them in the fridge for 5–10 minutes.
Please remember to leave a review if you make this recipe! The feedback helps me to become a better cook and develop amazing recipes for you.
Cold Peanut Noodles
Ingredients
Peanut Sauce
- 1/4 c water
- 2 tbsp sriracha
- 4 tbsp peanut butter
- 2 tbsp soy sauce
- 2 tbsp honey
- 1/2 tbsp rice vinegar
- 2 tsp sesame oil
Other
- 8 ounces yakisoba noodles, or noodles of choice
- 1/2 cup cucumber, chopped
- 3 tbsp scallions , chopped
- 1 tsp sesame seeds, for garnish
- 1 tsp chili oil, or to taste
- 2 lime wedge, for garnish
- 2 red chilies , for garnish
Instructions
- Make the peanut sauce: Combine water, soy sauce, rice vinegar, sesame oil, sriracha, peanut butter, and honey in a bowl. Whisk vigorously until smooth and fully emulsified.
- Cook the noodles: Prepare the noodles according to package directions. Drain and rinse under cold water to stop the cooking and firm the texture.
- Prep the toppings: While the noodles cool, chop the cucumber, scallions, and red chilies. Set aside.
- Assemble the noodles: Add a generous amount of peanut sauce to the cooled noodles and toss gently to coat without breaking them.
- Add garnishes: Top with cucumber, scallions, sesame seeds, a drizzle of chili oil, and a squeeze of fresh lime.
Notes
– Cold peanut soba noodles: Use soba and add shredded cabbage.
– Thai-inspired: Add lime zest, cilantro, crushed peanuts, and thai chili flakes.
– High-protein: Mix in pan-fried tofu cubes or edamame.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
Serving Suggestions
Cold peanut noodles work really well as part of a balanced meal, especially when paired with something light or crunchy to contrast the creamy sauce. Try serving them alongside fresh vegetables, a simple smashed cucumber salad, or anything with a little acidity to brighten the dish.
They also pair naturally with recipes that lean savory or spicy. They’re great next to my tofu fresh rolls, hot and sour miso soup, or fried spring rolls if you want a mix of temperatures and textures. For something more filling, add air-fried tofu, edamame, or a side of sautéed greens.
FAQ
No, I wouldn’t recommend it! While most noodle types work with this sauce, pastas – like spaghetti or rotini – just don’t have the right texture to compliment the flavors here. Use Yakisoba, ramen, vermicelli, or udon instead!
I used fresno red chilies that I bought from HMart. But any red chili would work!
Cold peanut butter stiffens, so whisk in 1–2 teaspoons of warm water until it loosens. Cold noodle dishes often need extra liquid to stay creamy.
This is so easy to make and is incredibly delicious!! I like these with Udon or Vermicelli noodles. Add tofu or chicken for extra protein!
This recipe was sooo good, I will eat anything spicy and this hit the spot! 🔥
So yummy for the whole family!
Honestly a perfect balance of flavors and so delicious !
Love all the options for the recipe – makes it very easy to use!
These noodles are so easy to make and really pack a punch! So good when you need a quick, savory and hearty meal comfort meal!!
Turned out quite delicious. My fav recipe !
I used this recipe as a guide but I had some leftover tahini from making hummus and mixed that with some peanut butter, so I skipped the sesame oil. it worked well. Oh, I also had a little leftover grilled pork tenderloin which I marinated in some of the peanut dressing before adding it to the salad. Complete meal, only cooking is the noodles!