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    Home » Gluten-Free

    December 14, 2021 Condiments

    Vegan Oyster Sauce Recipe

    Jump to Recipe - Print Recipe

    This post may contain affiliate links. See my disclosure for more info.

    This homemade vegan oyster sauce recipe looks, tastes, and smells like oyster sauce, but is completely free of shellfish. It's also gluten-free, has a soy-free option, and is made with a handful of simple ingredients.

    Although I personally love oysters, I was looking for a store-bought oyster sauce with better ingredients until I realized that it simply doesn't exist. And whether you choose not to eat seafood or you have an allergy, no one should have to miss out on this condiment that adds a really unique flavor to your meals.

    Luckily, making your own vegan oyster sauce is really easy.

    When I first made this, I was in disbelief. Between the texture and the taste, I was shocked at how much it resembled store-bought oyster sauce in every way.

    Ingredients

    • Dried shiitake mushrooms - these have a really concentrated umami flavor that's far stronger than fresh mushrooms.
    • Boiling water - rehydrates the dried mushrooms so they can become softer and easier to blend while also creating a broth of sorts.
    • Brown sugar - this gives it that caramelized color and sweetness that is in traditional oyster sauce.
    • Soy sauce or tamari (gluten-free soy sauce) - adds saltiness and umami flavor.
    • Kosher salt - to balance out the sweetness from the sugar.
    • Tapioca starch - helps to thicken the sauce and give it a thick texture.

    Make It Your Way: Substitutions & Variations

    Please remember that recipes are just a starting point.

    How can you make this vegan oyster sauce using what you already have? Here are some ideas…

    • No dried mushrooms? - if you absolutely can't find dried mushrooms, you can use mushroom powder (1-2 teaspoons).
    • Soy-free? - use coconut aminos, but decrease the amount of sugar to ½ cup and increase the amount of salt since it's nowhere near as salty as soy sauce to 1 ½ to 2 teaspoons kosher salt.
    • Gluten-free? - be sure to use tamari or coconut aminos (soy-free).
    • No brown sugar? - sub another granulated sugar such as coconut sugar or cane sugar.
    • No tapioca starch/flour? - use cornstarch or arrowroot powder instead.

    Tools Needed

    To make this recipe, it's incredibly helpful to have a high-powered blender, a whisk, and a saucepan. Along with liquid measuring cups, dry measuring cups, and measuring spoons.

    Helpful Tips For Making The Best Vegan Oyster Sauce

    Where to buy dried mushrooms?

    Dried mushrooms can be found in the International aisle in grocery stores, at your local Asian supermarket, or online.

    Does vegan oyster sauce have oysters?

    No, vegan oyster sauce is made with mushrooms instead of oysters. This gives the sauce a similar color and texture to regular oyster sauce.

    Why is there added salt? Isn't soy sauce already salty?

    Oyster sauce is a mix of sweet, salty, and umami, so you'll need to add some additional salt to balance out the sweetness of the sugar. I recommend using kosher salt so it doesn't taste overly salty, but if using another type, reduce the amount that the recipe calls for by half and season to taste. Check out my quick guide to cooking with salt to learn more.

    Can you use fresh mushrooms?

    Although I haven’t done this, if you're up for playing around with it, I'd suggest using about 1 cup of fresh shiitake mushrooms and sautéing them first to really build the flavor before blending them up.

    How to store vegan oyster sauce?

    Store in a glass jar in the refrigerator for up to 2 weeks. If freezing, add the vegan oyster sauce to a silicone ice cube tray. Once frozen, pop them out, and store them in a sealed container or bag in the freezer for 2-3 months. Defrost overnight in the fridge before using. Make it even easier by adding a specific amount (such as a tablespoon) to each cube, so you know exactly how much to thaw.

    How to use vegan oyster sauce?

    Oyster sauce is used in various Asian dishes such as stir-fries, pineapple fried rice, or garlic umami noodles.

    More Asian Recipes

    • Kimchi Pizza
    • Spicy Tuna Crispy Rice
    • Salmon Rice Bowl
    • Japanese Spicy Mayo
    • Carrot Ginger Dressing
    vegan oyster sauce dripping off a metal spoon into a glass jar on a plate
    Print Recipe Pin Recipe
    4.92 from 23 votes

    Homemade Vegan Oyster Sauce

    This homemade vegan oyster sauce looks, tastes, and smells like oyster sauce, but is completely free of shellfish. It's also gluten-free, has a soy-free option, and is made with a handful of simple ingredients.
    Prep Time10 mins
    Cook Time5 mins
    Total Time15 mins
    Author: Lindsey Jenkins

    Ingredients

    • 5 dried shiitake mushrooms about 10 grams or .35 ounces
    • 1 cup boiling water
    • ⅔ cup brown sugar or coconut sugar
    • ½ cup soy sauce or tamari or coconut aminos for soy-free, see notes
    • 1 teaspoon kosher salt, to taste see notes

    Slurry

    • 1 tablespoons tapioca starch/flour or substitute, see notes below
    • 2 tablespoons cold water

    Instructions

    • Soak the shiitake mushrooms in 1 cup of boiling water to soften them for about 10-15 minutes. Add both the mushrooms and the brothy water to a blender. Blend on high until smooth.
    • In a saucepan over medium heat, mix together the blended mushroom liquid, brown sugar, soy sauce or tamari, and kosher salt. Make the slurry by adding the starch to a small bowl with the cold water. Whisk until the starch has completely dissolved.
    • Stir in the slurry and continuously whisk until the sugar has dissolved, then reduce the heat to medium-low and keep stirring until the sauce has thickened and reached your desired consistency. It'll continue to thicken as it cools.
    • Transfer to a clean glass jar and let cool completely before storing in the fridge for up to 2 weeks or the freezer for 2-3 months.

    Notes

    This recipe makes 1 ¾ cups of sauce.
    If not using diamond crystal kosher salt, reduce the amount by half.
    SUBSTITUTIONS:
    No dried mushrooms? - if you absolutely can't find dried mushrooms, you can use mushroom powder (1-2 teaspoons).
    Soy-free? - use coconut aminos, but decrease the amount of sugar to ½ cup and increase the amount of salt since it's nowhere near as salty as soy sauce to 1½ to 2 teaspoons kosher salt.
    Gluten-free? - be sure to use tamari or coconut aminos (soy-free).
    No brown sugar? - sub another granulated sugar such as coconut sugar or cane sugar.
    No tapioca starch/flour? - use cornstarch or arrowroot powder instead.

    More Gluten-Free Recipes

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      Granola Butter (Nut-Free, Oat Spread)
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    • A platter of roasted carrots and dates with chopped pistachios.
      Roasted Carrots and Dates With Pistachios

    Reader Interactions

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      Recipe Rating




    1. Dana Chiu says

      October 21, 2022 at 4:52 pm

      5 stars
      Ive made this several times now. It is excellent! I do use coconut sugar and reduce to about 6 T., increase salt to about 1 3/4 t., and use coconut aminos. Very quick and easy and tastes incredibly close to the real thing. Im sure it's healthier too.

      Reply
      • Lindsey says

        October 22, 2022 at 1:38 pm

        Thanks for taking the time to leave a review, Dana! I love hearing that it's become a staple for you, too.

        Reply

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    Hi, I'm Lindsey. My goal is to teach you how to become a better cook, rely less on recipes, and be more adaptable in the kitchen depending on what's in season, in your pantry, or to fit your dietary needs. All recipes are dairy-free but come with a "make it your way" substitution section to get you started.

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