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Home » Recipe Type » Soup
5 from 1 review

Hot and Sour Udon Noodle Soup

20 minutes
bok choycornonionsugar snap peas
By: Pamela Reed
Posted:8/3/21
Updated:11/28/23
Jump to Recipe

This quick and easy Hot and Sour Udon Noodle Soup is a delicious alternative to takeout. Made with a handful of simple vegetarian ingredients, each bowl of soup is so warm and comforting. 

hot and sour udon noodle soup in white bowl with spoon.

Homemade hot and sour soup

My homemade Hot and Sour Udon Noodle Soup is fast and easy to put together. In just 15 minutes, you’ll have a comforting, silky Chinese soup filled to the brim with bok choy, baby corn, snow peas, and green onion. It’ll be ready before the takeout even arrives at your door!

Just like Wonton Soup and Beef Dumpling Soup, hot and sour soup is a traditional Chinese soup that tastes a little savory, sour, and spicy. I made this vegetarian version without much spice but the recipe is so easy to play with so you can easily get creative. Keep things simple with more vegetables, add meat for extra protein, or head to your local Asian market for more authentic add-ins to make this soup exactly how you like.

Make this easy vegetarian hot and sour soup a part of the spread the next time you’re craving Chinese takeout (without opening your wallet)! Serve it next to my Bok Choy Stir Fry and General Tso’s Cauliflower for an authentic and delicious copycat takeout dinner.

What is hot and sour soup?

You can almost always find hot and sour soup on the menu at your favorite Chinese-American restaurant. While no two soups are the same, the traditional hot and sour soup recipe is usually made with bamboo shoots, mushrooms, noodles, and tofu. The sour flavor comes from vinegar and spice from chili paste or peppers.

It’s an easy soup to make at home and plays well with a variety of flavors. Control the spice and sourness or add more to make the soup heartier. I like it with tofu, broccoli florets, and water chestnuts!

How to make homemade hot and sour soup

Just throw soft doughy udon noodles, vegetables, broth, and some seasoning in a pot and your soup is done! It doesn’t get much easier than this:

Add all of the ingredients (except the noodles) to a large soup pot. Bring it up to a boil over medium-high heat. Once it’s boiling, lower the temperature and cook, uncovered, until the veggies are fork tender.

Place the noodles in the soup and bring the temperature up to medium. Let the soup simmer until the noodles are tender, then serve and enjoy!

bowl of udon noodle soup with corn, peas and bok choy.

Tips and substitutions

  • Is it too thin? Thicken the soup using a cornstarch slurry. Simply stir ¼ cup of cornstarch with ¼ of broth in a small bowl. Stir it into the finished soup to thicken it up.
  • Instead of udon noodles, use egg noodles, rice noodles, or any long pasta noodle you have at home.
fresh udon noodles on table.
  • If you don’t have rice wine vinegar, you can use champagne vinegar, white wine vinegar, or lemon or lime juice instead.
  • Looking for gluten free hot and sour soup? Simply replace the soy sauce with tamari and use rice noodles instead of udon.

Hot and sour soup add-ins

  • Spice – Add a few tablespoons of your favorite hot sauce, chili paste, dried chili peppers, or chopped red chili peppers until the soup is at your desired spice level.
  • Meat – Substitute the vegetable broth for beef or chicken broth. You can also sauté some pork shoulder, shredded chicken, shrimp, or ground pork before adding them to the soup in the last 5 minutes of cooking.
  • Vegetables – Like shitake mushrooms, wood ear mushrooms, leafy greens, broccoli, water chestnuts, bamboo shoots, and ginger. Don’t have snow peas? You can use frozen peas too.
  • Eggs – Crack 1 or 2 eggs into the soup for added protein and authentic egg ribbons.
  • Tofu – Traditional hot and sour soup is made with cubed extra firm tofu.

What to serve with hot and sour soup

  • Chop Suey
  • Chicken Chow Mein
  • Fried Rice
  • Asian Cucumbers

More soup recipes to try

  • Homemade Wonton Soup
  • Vegetable Noodle Soup
  • Egg Drop Soup
  • Thai Coconut Shrimp Soup

Pin for later:

This quick and easy Hot and Sour Udon Noodle Soup is a delicious alternative to takeout. Made with a handful of simple vegetarian ingredients, each bowl of soup is so warm and comforting.
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5 from 1 review

Hot and Sour Udon Noodle Soup

Print
This quick and easy Hot and Sour Udon Noodle Soup is a delicious alternative to takeout. Made with a handful of simple vegetarian ingredients, each bowl of soup is so warm and comforting. 
By: Pamela Reed
Prep Time: 5 minutes minutes
Cook Time: 15 minutes minutes
Total Time 20 minutes minutes
serves 4

Ingredients

  • 6 cups vegetable broth
  • 1 1/2 cup snow peas ends trimmed and chopped
  • 1 15 oz can baby corn
  • 4 cups bok choy chopped
  • 3 green onions coarsely chopped
  • 1/4 cup low-sodium soy sauce
  • 1/4 cup rice wine vinegar
  • 2 teaspoons sesame oil
  • black pepper to taste
  • 1 lb udon noodles

Instructions

  • In a large pot, combine vegetable broth, snow peas, baby corn, bok choy, green onions, soy sauce, vinegar, sesame oil and black pepper to taste. Bring to a boil over medium-high heat. Reduce heat to low and cook, uncovered, for 5-7 minutes or until vegetables are tender.
  • Add udon noodles and bring to a boil. Reduce heat to low and simmer, uncovered, for 5 minutes or until noodles are tender.
  • Serve in bowls, enjoy!
Course: Soup
Cuisine: Asian
Keyword: hot and sour soup
Vegetarian Summer
Did you make this?I love seeing what you’ve made! Tag me on Instagram at @BrooklynFarmGirl and don’t forget to leave a comment & rating below.

Similar Recipes

  • Chinese Vegetable Noodle Soup
    Chinese Vegetable Noodle Soup
  • Homemade Chicken Noodle Soup
  • Homemade Wonton Soup
  • How To Freeze Bok Choy Whole To Use in Udon Soup

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  1. kimmythevegan says

    March 26, 2014 at 3:06 pm

    Mmmm sounds so good Pamela! I’m actually in snowy Ontario right now and missing my warm California sunshine. This sounds like a perfect meal to make tonight!

    Reply
  2. Cecile @ My Yellow Farmhouse says

    March 14, 2014 at 7:31 pm

    Where can I find Udon noodles – thanks!!!

    Reply
    • Pamela says

      March 14, 2014 at 7:47 pm

      Check out the Asian section of your local grocery. If you have a Asian market you’ll find even better ones in their frozen section.

      Reply
  3. Melanie @ Carmel Moments says

    March 14, 2014 at 10:38 am

    This looks so intriguing that I must try it! Look at all those flavors. Yum!

    Reply
  4. Tina @ Tina's Chic Corner says

    March 14, 2014 at 8:56 am

    A good bowl of soup always hits the spot and this looks like it would do the trick! It looks delicious. 🙂

    Reply
  5. Sarah & Arkadi says

    March 13, 2014 at 12:50 am

    i could totally go for a bowl of this soup right now! and it’s past midnight!

    Reply
  6. cheri says

    March 12, 2014 at 11:39 pm

    Wow, that looks like a great book, love the way the soup looks.

    Reply
  7. Daniela @ FoodrecipesHQ says

    March 12, 2014 at 6:11 pm

    Udon, so thick, so unique. I could eat this noodle soup every night.

    Reply
  8. Nicole ~ Cooking for Keeps says

    March 12, 2014 at 5:25 pm

    I would definitely enjoy this soup! Flavorful broth + noodles and I’m in!

    Reply
  9. John@Kitchen Riffs says

    March 12, 2014 at 1:57 pm

    Great idea! I love hot & sour soup, but never thought to add noodles. I will, I will!

    Reply
  10. ela@GrayApron says

    March 12, 2014 at 12:10 pm

    ohhh, yummy. Love all that chunky and leafy stuff in there! 🙂 ela

    Reply
  11. Chris @ Shared Appetite says

    March 12, 2014 at 11:53 am

    I’ve been becoming more and more of a fan of hot and sour soups lately… need to try this! Love all the veggies you packed into it as well!

    Reply
  12. Ashley says

    March 12, 2014 at 11:26 am

    I would love a big bowl of this for dinner! And it has bok choy – one of my current favorites!

    Reply
  13. Jocelyn (Grandbaby Cakes) says

    March 12, 2014 at 11:20 am

    Gorgeous soup!

    Reply
  14. Prudy @butter, basil, and breadcrumbs says

    March 12, 2014 at 11:09 am

    Now this looks so delicious!! Yum!! 🙂

    Reply
  15. Davida @ The Healthy Maven says

    March 12, 2014 at 8:04 am

    Ain’t nothing better than a big ole bowl of soup for dinner!

    Reply
  16. Joanne says

    March 12, 2014 at 7:34 am

    I just want to slurp up this entire bowl!! Love those thick noodles.

    Reply
  17. Alyssa @ My Sequined Life says

    March 12, 2014 at 12:10 am

    I have a serious obsession with hot and sour soup. As in I’ll have all the best intentions to save the leftovers, but somehow I’ll reach my spoon down and I’ll hit plastic. This looks so wonderful!

    Reply
  18. Mary Frances @ The Sweet Tooth Life says

    March 11, 2014 at 10:37 pm

    I have to confess, chicken burgers are good in my book! I’m impressed that this soup earned such high ratings – you make some if the best soups ever Pamela!

    Reply
  19. Juliana says

    March 11, 2014 at 8:23 pm

    I love udon noddles, love its texture, but never had in hot and sour broth…I must try this…looks delicious.
    Have a great week Pamela 😀

    Reply
  20. Ashley | Spoonful of Flavor says

    March 11, 2014 at 7:31 pm

    I could go for a big bowl of this soup! Love the fresh bok choy and the baby corn.

    Reply
  21. Jamie | Jamie's Recipes says

    March 11, 2014 at 7:03 pm

    I love hot and sour soup. The udon makes it so hearty. Delish!

    Reply
  22. Michelle says

    March 11, 2014 at 6:08 pm

    That sounds amazing! The other recipes you listed that you wanted to try sound really good, too…especially: “Baked Portobello Mushrooms” & “Broccoli and Red Peppers with Lime Ginger Soy Sauce” These days I love baking mushrooms for a snack or to puree in my pasta sauce. So yummy!

    Reply
  23. Kelly says

    March 11, 2014 at 4:35 pm

    This looks incredible Pamela! I love a big bowl of steaming udon noodles – this one sounds amazing with all the yummy veggies 🙂 Wish I had a big bowl to slurp on right now to warm up with – yum!

    Reply
  24. Johlene says

    March 11, 2014 at 4:17 pm

    I need to learn to cook vegan meals because sometimes I just dont feel like chicken or a piece of steak (dont get me wrong I couldn´t say goodbye to them forever..) but especially during summer my body craves lighter meals with loads of veggies 🙂 Xx

    Reply
  25. Shikha @ Shikha la mode says

    March 11, 2014 at 3:36 pm

    I am obsessed with noodles, more than bread and rice – it’s crazy. I never make them enough at home, but I should try!

    Reply
  26. Nora (A Clean Bake) says

    March 11, 2014 at 3:13 pm

    Man this looks so filling and satisfying. It’s a perfect spring soup for when it’s still cold out but lots of spring greens are popping up in stores. I have to check out this book!

    Reply
  27. Monica says

    March 11, 2014 at 2:50 pm

    That look so good! I love slurping udon noodles. I like stocking frozen ones that I can simply plop into broth. I’m going to make sure and glad lots of greens and good things next time.

    Reply
  28. Angie@Angie's Recipes says

    March 11, 2014 at 1:33 pm

    I love udon! This noodle soup looks comforting and delicious, Pam.

    Reply
  29. nobody says

    March 11, 2014 at 1:31 pm

    I see the tofu in the picture. But I have to go to the very last line to find the word?

    For me hot & sour soup needs lots of tofu.

    Reply
    • Pamela says

      March 11, 2014 at 1:44 pm

      There is no tofu in the pictures, I think what you’re seeing is the white pieces of the bok choy. Tofu is a great option though to make it heartier so I wanted to be sure to mention that in the notes.

      Reply
  30. Dixya @ Food, Pleasure, and Health says

    March 11, 2014 at 1:11 pm

    i love udon noodles and this is just perfect 🙂

    Reply
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Hi! I'm Pamela, an artist Mom who shares family recipes. My farm is a 1,000 sq ft apartment in NYC. Let's make dinner together.

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