Unlock the secret to perfectly balanced Japanese flavors with this incredibly simple Sweet Vinegar Sauce, also known as Amazu! By gently heating the vinegar, we mellow out its sharp bite, creating a smooth, tangy, and sweet sauce that elevates any dish. It’s the perfect companion for quick pickles, a vibrant dressing for salads, or a light marinade. With just three ingredients and 15 minutes, you can create a staple sauce you’ll reach for again and again.
Ingredients
• 1 cup / 250 ml rice vinegar
• 1 cup / 250 ml Vegetarian Dashi
• 3 tablespoons sugar
Instructions
1. In a small saucepan, combine the rice vinegar, Vegetarian Dashi, and sugar over medium heat.
2. Heat the mixture, stirring constantly, until the sugar has completely dissolved.
3. Bring the sauce to a near boil, then immediately remove the saucepan from the heat.
4. Allow the sauce to cool completely to room temperature before using.
5. Transfer the cooled sauce to an airtight container. Store in the refrigerator for up to two weeks.
Nutritional Information
• Recipe Facts
• Prep time: 10 minutes
• Cook Time: 5 minutes
• Makes: about 2 cups / 500 ml
• Cuisine: Japanese
• Diet: Vegetarian, Vegan, Gluten-Free (use tamari-free dashi)
• This is a low-calorie, fat-free sauce perfect for adding flavor without heaviness.
Pro Tips
• For a deeper umami flavor, use a high-quality kombu and shiitake-based Vegetarian Dashi.
• Infuse extra flavor by adding a slice of ginger or a chili flake to the saucepan while heating. Be sure to remove it before storing.
• This sauce is the classic base for sunomono, a Japanese cucumber salad. Simply toss with thinly sliced cucumbers and sesame seeds.
• Don’t let the mixture come to a rolling boil, as this can alter the delicate flavor of the vinegar.
FAQ
Q: What is vegetarian dashi and can I make it at home
A: Vegetarian Dashi is a Japanese soup stock made from plant-based ingredients, typically kombu (dried kelp) and dried shiitake mushrooms, which provide a deep umami flavor without any fish. You can easily make it at home by steeping kombu and shiitake in water, or find instant vegetarian dashi powder at most Asian grocery stores.
Q: How can I ensure this amazu sauce is gluten-free
A: To make this sauce completely gluten-free, ensure your Vegetarian Dashi is gluten-free. Some instant dashi powders or store-bought versions may contain soy sauce. Opt for a dashi made with tamari or one you make yourself using only kombu and shiitake mushrooms. Rice vinegar and sugar are naturally gluten-free.
Q: What vegetarian dishes can I use this sweet vinegar sauce with
A: This sauce is incredibly versatile for vegetarian cooking. Use it as a dressing for a classic Japanese cucumber salad (sunomono), a seaweed salad, or a simple green salad. It’s also a fantastic light marinade for tofu or tempeh and a perfect pickling liquid for daikon, carrots, and radishes.
Q: Can I use a different type of vinegar for this recipe
A: While rice vinegar is traditional for its mild and slightly sweet profile, you can experiment with other vinegars. Apple cider vinegar would be the best substitute, offering a fruity tang. Avoid strong vinegars like distilled white or balsamic, as they will overpower the delicate balance of the sauce.





