Peanut Soba Stir Fry

$8.57 recipe / $1.43 serving
by Beth - Budget Bytes
4.50 from 8 votes
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I’m SO EXCITED about this one… this is one of those recipes that turned out so good that I couldn’t keep out of it while I was shooting photos. I kept stuffing in mouthfuls in between shots!

I wanted to make a stir fry this week because they’re just so quick, easy and packed with goodness. This is one of those cases where it was actually less expensive to buy the frozen, pre-chopped mix of vegetables than to buy each vegetable fresh. Red peppers alone were $2.50 each and I got a whole bag of vegetables for $1.94. Plus, this way I won’t have tons of left overs. Frozen vegetables are a wonderful asset to those eating on a budget. They don’t go bad quickly in the refrigerator, there are a ton of varieties and most don’t contain any added salt or preservatives (check the label to be sure). Sure, the frozen weren’t as crunchy as fresh would have been but the dish was so good over all that I didn’t care.

I added soba noodles (buckwheat noodles) to the stir fry for bulk and fiber. I paid $3.94 for 8 oz. of soba noodles and I’m quite sure they can be purchased for far less else where, probably even at Whole Foods. Unfortunately, I didn’t have time to drive across town that day. Check ethnic markets for an even lower price. Oh, AND my hoisin sauce was organic so I’m sure you could get that for less too. Moral of the story: you can probably make this recipe for a few dollars less than I did.

Peanut Soba Stir Fry

Finished peanut soba stir fry in black bowl

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Peanut Soba Stir Fry

4.50 from 8 votes
A super easy and filling pasta dish with stir fried vegetables, this peanut soba stir fry is hearty AND healthy!
Servings 6
Prep 10 minutes
Cook 15 minutes
Total 25 minutes


  • 2 inches fresh ginger ($0.20)
  • 1/2 cup natural peanut butter ($0.66)
  • 1/2 cup hoisin sauce ($1.20)
  • 1/3 cup hot water ($0.00)
  • 1/2 tsp sriracha hot sauce ($0.04)
  • 2 Tbsp vegetable oil ($0.06)
  • 2 cloves garlic ($0.12)
  • 1 lb. frozen stir fry vegetables ($1.94)
  • 8 oz. soba noodles ($3.94)
  • 2 sliced green onions, optional ($0.36)


  • Prepare the sauce first. Peel and grate one inch of ginger into a bowl. Add the peanut butter, hoisin sauce and sriracha hot sauce, and 1/3 cup of hot water. Stir or whisk until smooth. Set the sauce aside until it is needed.
  • Prepare a very large skillet or wok with 2 Tbsp of vegetable oil. Grate another inch of ginger into the oil. Mince two cloves of garlic and add to the oil as well. Turn the heat up to medium high and saute for 1-2 minutes.
  • Add the bag of frozen vegetables and cook until heated through. Use as large of a skillet as possible so that the residual moisture from the vegetables will evaporate quickly. Over crowding the skillet will leave you with a soupy mess. Frozen vegetables are blanched prior to freezing so they will already be slightly cooked and soft. Stir fry vegetables should still have a slight crunch and vibrant color. Do not cook them until they are very soft and dull in color.
  • While the vegetables are cooking, bring a medium pot of water up to a rolling boil. Add the soba noodles and cook until soft (5-6 minutes). Drain the noodles in a colander.
  • Once the vegetables have cooked, add the drained noodles and peanut sauce. Stir until everything is combined and coated with sauce. Garnish with sliced green onions if desired.

See how we calculate recipe costs here.


Serving: 1ServingCalories: 423.55kcalCarbohydrates: 56.33gProtein: 15.05gFat: 18.22gSodium: 919.55mgFiber: 6g
Read our full nutrition disclaimer here.
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Top view of peanut soba stir fry in black bowl with chopsticks and a bottle of sriracha on side

Step By Step Photos

ginger with peeler and grater
I find the easiest way to prepare ginger is to peel it with a vegetable peeler and then grate it using a small cheese grater. A microplane would probably be too small and get clogged easily.

peanut sauce ingredients in bowl with spoon
Grate about one inch of the peeled ginger into a bowl and add the hoisin sauce, peanut butter and sriracha hot sauce.

peanut sauce mixed together in bowl with spoon
Add 1/3 cup of hot water and stir or whisk until smooth.

garlic and ginger in pan with vegetable oil
Add 2 Tbsp of vegetable oil to a very large skillet and add 2 cloves of minced garlic and another inch of grated or minced ginger. Turn the heat up to medium/high and cook the garlic and ginger for about 1-2 minutes (after the pan is fully heated).

stir fry vegetables in package
Buying a bag of the frozen stir fry mix was far less expensive than buying each vegetable, and I won’t be left with a bunch of leftovers. The mix contains nothing but broccoli, onions, red bell peppers, mushrooms, carrots and water chestnuts. No salt, no preservatives, just yummy veggies.

Frozen stir fry veggies added to pan
Add the frozen veggies to the skillet and cook just until warmed. Using frozen vegetables does not give a nice crunchy end product like fresh vegetables do, but it is still really tasty and worth the savings to me (money and time).

soba noodles in package
This is the package of soba noodles that I bought. It was a really small package (8 oz.) and I didn’t think it was going to be enough, but the noodles expanded quite a bit during cooking.

soba noodles added to boiling water in pot
cooked soba noodles in water in pot
Cook the soba noodles in boiling water until soft (5-6 minutes). This can be done as the vegetables are cooking. Drain the noodles in a colander when finished.

drained noodles added to veggie stir fry mix in pan
Add the drained noodles to the cooked vegetables…

peanut sauce added to noodles and veggie stir fry in pan
Then add the peanut sauce…

peanut sauce and stir fry mixed together
Stir it all together and you’re good to go!

peanut soba stir fry in black bowl with chopsticks and a bottle of Sriracha on the side
You can garnish with green onions or cilantro if desired.

This recipe was so seriously delicious and filling… I know I’ll be making it often. Because I used pre-cut frozen veggies, this recipe took less than 30 minutes to make! If you have ginger paste or a jar of minced garlic, it’ll go even faster!


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  1. wowza this was too sweet for me! I would maybe swap some of the hoisin for soy sauce because the recipe needs some salt as well. Still satisfying though.

  2. This is pretty good! I used frozen stir fry veggies and added some frozen shrimp I had in the deep freezer. Instead of hoisin sauce, I used oyster sauce, and I ended up adding a little honey to the sauce to up the sweetness.
    I didn’t add sriracha to the sauce, so I put a few squirts of it on top to serve the adults… this was a nice and quick weeknight dinner.

  3. Made with fresh veggies (red pepper, edamame, carrots, celery) and water chestnuts for crunch. Taste was great. Found sauce to be a bit thick and will thin it out next time. Flavors rock: creamy, a little heat a, little sweet.
    Easy to make if you mise en place the sauce and fresh veggies