Creamy Seafood Tom Yum Soup (An Authentic 45-Minute Recipe)

Posted on November 6, 2025

Modified: November 6, 2025

By Sofia
A close-up of a white bowl of authentic seafood tom yum soup with shrimp, calamari, and fresh cilantro garnish.

This creamy seafood tom yum Soup is one of those magical one-pot meals that warms you from the inside out. It’s a beautiful dance of spicy, sour, salty, and sweet, with a rich, velvety spicy seafood broth that hugs tender pieces of shrimp, squid, and mussels. It feels incredibly special but comes together so simply.

Growing up, my idea of comfort soup was something thick and hearty like a potato sausage soup, but as our family table grew, so did our flavors. I discovered that the vibrant, aromatic broths of Thai cuisine offer a different kind of comfort—one that awakens the senses and feels both nourishing and exciting.

The best part is how surprisingly quick this dish is, with just 20 minutes of prep and 25 minutes to cook. This creamy tom yum recipe delivers a restaurant-quality meal without the fuss, making it perfect for a weeknight. My little tip: always prep your aromatics first; it makes the whole cooking process feel effortless.

What You Need to Make This Recipe

To build that incredible flavor, you’ll lean on a few key Thai aromatics like lemongrass, galangal, and kaffir lime leaves. This seafood tom yum Soup gets its creamy richness from evaporated milk and a touch of sweetness from Thai chili paste. The full ingredient list with measurements is waiting for you in the recipe card below.

seafood tom yum soup recipe 1

How to Make seafood tom yum Soup

Making this authentic thai soup is a straightforward process of building layers of flavor. You’ll start by infusing the stock with aromatics, then cook the seafood and mushrooms right in the fragrant broth before finishing it with that signature creamy, spicy-sour seasoning. It’s a beautiful one-pot wonder that comes together in under an hour.

A close-up of a white bowl of authentic seafood tom yum soup with shrimp, calamari, and fresh cilantro garnish.
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Authentic Creamy Seafood Tom Yum Soup (Tom Yum Talay Nam Khon)

A vibrant and aromatic Thai hot and sour soup, bursting with a medley of fresh seafood, fragrant herbs, and a rich, creamy broth. This authentic seafood tom yum soup is a perfect balance of spicy, sour, salty, and sweet.
Prep Time 20 minutes
Cook Time 25 minutes
Total Time 45 minutes
Servings: 4 servings
Course: Main Course, Soup
Cuisine: Thai
Calories: 410

Ingredients
  

For the Aromatic Broth
  • 6 cups chicken or seafood stock low sodium is preferred
  • 3 stalks lemongrass smashed and cut into 2-inch pieces
  • 1.5 inch galangal thinly sliced
  • 6 kaffir lime leaves torn
  • 2 shallots peeled and halved
  • 5 Thai bird’s eye chilies lightly bruised
For the Seafood
  • 8 oz large shrimp peeled and deveined, tails on
  • 6 oz squid cleaned and sliced into rings
  • 0.5 lb fresh mussels scrubbed and debearded
For the Soup & Garnish
  • 8 oz oyster mushrooms or straw mushrooms, halved if large
  • 3 tbsp fish sauce
  • 0.25 cup fresh lime juice from about 2-3 limes
  • 2 tbsp Thai chili paste (Nam Prik Pao) adjust to taste
  • 0.5 cup evaporated milk or full-fat coconut milk
  • 1 tsp sugar palm sugar preferred
  • 0.5 cup fresh cilantro roughly chopped for garnish

Equipment

  • Large pot or Dutch oven
  • Cutting Board
  • Sharp Knife
  • Small Mixing Bowl

Method
 

Prepare the Aromatics
    Create the Broth Base
      Cook the Mushrooms and Seafood
        Finish and Season the Soup
          Serve

            Notes

            For a truly authentic taste, do not substitute galangal with ginger or kaffir lime leaves with regular lime zest; their flavors are unique and essential. For the non-creamy version (Tom Yum Nam Sai), simply omit the Thai chili paste and evaporated milk. Adjust the quantity of Thai chilies and chili paste to your personal preference.

            Pro Tips for Making This seafood tom yum Soup

            Get the Most from Your Aromatics

            To really unlock the fragrance of the lemongrass and galangal, give them a good smash with the side of your knife before adding them to the pot. This bruises them just enough to release their essential oils, creating a much deeper flavor for your spicy seafood broth.

            Don’t Boil the Milk

            When you add the evaporated milk, lower the heat to a gentle simmer. Boiling it can cause it to separate or curdle, especially with the lime juice added later. Gentle heat keeps your seafood tom yum Soup smooth and luscious.

            My Secret Trick: I always bloom the Thai chili paste (Nam Prik Pao) in a little bit of the hot broth in a separate small bowl before stirring it into the soup. This helps it dissolve completely and brings out its roasted, savory-sweet notes, ensuring it’s evenly mixed through the entire pot.

            Fun Variations for seafood tom yum Soup

            Noodle Soup Addition

            Turn this into a complete meal-in-a-bowl by adding cooked rice noodles at the very end. Just place the noodles in each serving bowl and ladle the hot seafood tom yum Soup over them. It’s a wonderful way to make the dish even heartier for a hungry family.

            Different Proteins

            If you’re not a fan of squid or mussels, feel free to use chunks of a firm white fish like cod or halibut. Add them in the last 5 minutes of cooking so they don’t overcook. You can also make a chicken version (Tom Yum Gai) by swapping the seafood for bite-sized chicken pieces.

            Vegetarian-Friendly Option

            For a meat-free version, use a hearty vegetable broth and swap the seafood for a mix of firm tofu, shiitake mushrooms, and baby corn. The spicy seafood broth becomes a spicy vegetable broth, and it’s just as comforting. You may need to adjust the fish sauce with a vegetarian alternative.

            What to Serve With seafood tom yum Soup

            This seafood tom yum Soup is truly a standout meal all on its own, but a simple side of steamed jasmine rice is the perfect companion for soaking up every last drop of that incredible broth. For a bit of freshness, I sometimes serve a simple cucumber and onion salad on the side, lightly dressed with rice vinegar. This authentic thai soup pairs beautifully with these simple, clean flavors.

            How to Store seafood tom yum Soup

            Leftover seafood tom yum Soup can be stored in an airtight container in the refrigerator for up to 2 days. The seafood is delicate, so I recommend reheating it gently on the stovetop over low heat until just warmed through. Avoid boiling, as this can make the shrimp and squid tough.

            Nutritional Benefits

            Packed with lean protein from the shrimp, squid, and mussels, this seafood tom yum Soup is a wonderfully nourishing meal. The aromatic broth, filled with herbs like lemongrass and galangal, makes it a comforting dish that feels both hearty and wholesome for the whole family.

            FAQs

            Can I make this soup less spicy?

            Absolutely! The heat comes from the Thai bird’s eye chilies and the chili paste. Simply reduce the number of chilies or omit them entirely. You can also start with less chili paste and add more to taste, giving you full control over the spice level of your seafood tom yum Soup.

            What can I substitute for galangal or kaffir lime leaves?

            While these ingredients give the authentic thai soup its signature flavor, you can use fresh ginger as a substitute for galangal in a pinch. For kaffir lime leaves, a strip of lime zest can provide a similar citrusy note, though the unique aroma will be slightly different.

            Can I use frozen seafood for this recipe?

            Yes, frozen seafood works well. For the best results, make sure to thaw the shrimp, squid, and mussels completely before you begin cooking. Pat them dry with a paper towel to remove excess moisture before adding them to the pot to ensure they cook evenly in this creamy tom yum recipe.

            Why did my creamy tom yum soup curdle?

            This usually happens if the heat is too high when the milk is added or if the lime juice is boiled with the milk. To prevent this, lower the heat to a gentle simmer before stirring in the evaporated milk, and always add the fresh lime juice off the heat, right before serving.

            Conclusion

            I hope this seafood tom yum Soup brings a little bit of adventurous comfort to your family’s table. It’s proof that a nourishing, globally-inspired meal can be just as simple and satisfying as a classic one-pot casserole or a hearty white bean soup. This creamy tom yum recipe is all about creating big, heartfelt flavor without a lot of fuss. Enjoy!

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