How to remove the fishy smell from fish bone soup?

Jun 03, 2025

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Hey there! As a fish bone soup supplier, I know firsthand how crucial it is to serve up a bowl of soup that's free from that pesky fishy smell. Nobody wants to take a sip of soup only to be hit with an overpowering fishy aroma, right? Well, lucky for you, I've got some tried-and-true methods to help you get rid of that fishy odor and make your fish bone soup taste amazing.

Understanding the Source of the Fishy Smell

Before we dive into the solutions, let's first understand where that fishy smell comes from. Fish contain a compound called trimethylamine oxide (TMAO), which breaks down into trimethylamine (TMA) when the fish is exposed to air, bacteria, or enzymes. TMA is what gives fish that characteristic fishy smell. When making fish bone soup, the bones can release even more TMA, making the soup smell extra fishy.

Fish Bone SoupSeafood Stock Base

Choosing the Right Fish

The first step in making a fish bone soup without a fishy smell is to choose the right fish. Freshness is key! Look for fish that has clear eyes, shiny scales, and a mild, ocean-like smell. Avoid fish that has a strong, fishy odor or dull eyes, as these are signs that the fish is not fresh.

Some types of fish are naturally less fishy than others. For example, white fish like cod, haddock, and flounder are generally milder in flavor and less likely to have a strong fishy smell. Salmon and tuna, on the other hand, have a stronger flavor and can be more fishy. If you're new to making fish bone soup, I recommend starting with a milder fish.

Preparing the Fish Bones

Once you've chosen your fish, it's time to prepare the bones. Start by cleaning the bones thoroughly under cold running water. Use a sharp knife to remove any remaining scales, fins, or entrails. You can also soak the bones in cold water for about 30 minutes to an hour to help remove any blood or impurities.

After soaking, drain the water and pat the bones dry with a paper towel. This will help prevent the bones from sticking together when you're cooking them. You can also cut the bones into smaller pieces to make them easier to cook and to release more flavor.

Cooking Techniques

Now that your fish bones are prepared, it's time to start cooking! There are a few cooking techniques that can help reduce the fishy smell in your soup.

  • Blanching: Blanching the fish bones before making the soup can help remove any remaining blood and impurities, as well as reduce the fishy smell. Bring a large pot of water to a boil and add the fish bones. Let them boil for about 2-3 minutes, then drain the water and rinse the bones under cold water.
  • Adding Aromatics: Aromatics like onions, garlic, ginger, and celery can help mask the fishy smell and add flavor to your soup. You can add these ingredients to the pot when you're cooking the fish bones. Simply chop the onions, garlic, and ginger into small pieces and add them to the pot along with the celery. You can also add a bay leaf or two for extra flavor.
  • Using Acidic Ingredients: Acidic ingredients like lemon juice, vinegar, or wine can help neutralize the fishy smell. You can add a splash of lemon juice or vinegar to the pot when you're cooking the fish bones, or you can use wine as a base for your soup. Just make sure to use a dry wine, as sweet wines can make the soup taste too sweet.
  • Simmering Slowly: Simmering the fish bones slowly over low heat can help extract the flavor from the bones without releasing too much of the fishy smell. You can simmer the bones for about 1-2 hours, or until the soup is rich and flavorful. Make sure to skim off any foam or impurities that rise to the surface of the soup as it simmers.

Using Seafood Stock Base

If you're still having trouble getting rid of the fishy smell in your fish bone soup, you can try using a seafood stock base. Seafood stock base is a concentrated flavoring that can add depth and richness to your soup, as well as help mask the fishy smell. You can find seafood stock base at your local grocery store or online. Just follow the instructions on the package for how much to use. Seafood Stock Base

Straining and Seasoning

Once your soup is simmered to perfection, it's time to strain it. Use a fine-mesh strainer or cheesecloth to strain the soup into a clean pot or bowl. This will remove any bones, cartilage, or other solids from the soup, leaving you with a smooth and flavorful broth.

After straining, you can season the soup to taste. You can add salt, pepper, and other seasonings like thyme, parsley, or cilantro to enhance the flavor. Just be careful not to over-season the soup, as you don't want to overpower the delicate flavor of the fish.

Serving and Storing

Now that your fish bone soup is ready, it's time to serve it! You can serve the soup as is, or you can add some cooked noodles, vegetables, or meat to make it a more substantial meal. You can also garnish the soup with a sprinkle of fresh herbs or a drizzle of olive oil for extra flavor.

If you have any leftover soup, you can store it in the refrigerator for up to 3 days or in the freezer for up to 3 months. Just make sure to let the soup cool down completely before storing it, and to store it in an airtight container.

Conclusion

Removing the fishy smell from fish bone soup doesn't have to be a challenge. By choosing the right fish, preparing the bones properly, using the right cooking techniques, and adding the right seasonings, you can make a delicious and flavorful fish bone soup that's free from that pesky fishy smell.

If you're interested in purchasing high-quality fish bone soup for your restaurant or business, I'd love to hear from you! We're a leading Fish Bone Soup supplier, and we offer a wide range of seafood products, including Fish Stock Base. Contact us today to learn more about our products and to start a procurement discussion.

References

  • "The Science of Fishy Smell." Food Science Facts.
  • "How to Make Fish Stock Without the Fishy Smell." The Spruce Eats.
David Li
David Li
A seasoned culinary expert, David works as a master chef consultant at Qianyi. He collaborates with the R&D team to ensure that each seasoning blend meets the highest standards of flavor and application in various cuisines.
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