This Japanese onion dressing is a delightful blend of savory and tangy flavors, perfect for drizzling over salads or using as a marinade. Its rich umami taste, combined with the freshness of onion and the zing of ginger, makes it a versatile addition to your culinary repertoire.
If you don't usually stock rice vinegar or soy sauce in your pantry, you might need to make a trip to the supermarket. These ingredients are essential for achieving the authentic taste of this dressing. Additionally, fresh ginger and garlic are crucial for the recipe's vibrant flavor.

Ingredients for Japanese Onion Dressing Recipe
Soy sauce: A salty, umami-rich sauce made from fermented soybeans, essential for the dressing's depth of flavor.
Rice vinegar: A mild and slightly sweet vinegar that adds a tangy note to the dressing.
Onion: Provides a sharp, sweet flavor and a bit of texture to the dressing.
Vegetable oil: Acts as the base of the dressing, giving it a smooth consistency.
Sugar: Balances the acidity and saltiness, adding a touch of sweetness.
Garlic: Adds a pungent, aromatic flavor that complements the other ingredients.
Ginger: Offers a spicy, zesty kick that enhances the overall taste of the dressing.
Technique Tip for This Recipe
To achieve a perfectly balanced Japanese onion dressing, ensure that the onion is finely chopped before blending. This helps to create a smoother texture and allows the flavors to meld seamlessly. Additionally, using freshly grated ginger and minced garlic will enhance the aroma and depth of the dressing. When blending, start on a low speed to combine the ingredients, then gradually increase to high to achieve a silky consistency. Always taste and adjust the seasoning if necessary, as the saltiness of soy sauce can vary.
Suggested Side Dishes
Alternative Ingredients
soy sauce - Substitute with tamari: Tamari is a gluten-free alternative that offers a similar umami flavor.
rice vinegar - Substitute with apple cider vinegar: Apple cider vinegar has a similar acidity and can mimic the tanginess of rice vinegar.
chopped onion - Substitute with shallots: Shallots provide a milder, sweeter flavor that can complement the dressing well.
vegetable oil - Substitute with olive oil: Olive oil is a healthier alternative and adds a rich, fruity flavor.
sugar - Substitute with honey: Honey adds a natural sweetness and a slight floral note.
minced garlic - Substitute with garlic powder: Garlic powder can provide a similar flavor profile and is more convenient to use.
grated ginger - Substitute with ground ginger: Ground ginger can be used in smaller quantities to achieve a similar spicy, aromatic flavor.
Alternative Recipes Similar to This Dressing
How to Store or Freeze This Dressing
Ensure the dressing is completely blended and smooth before storing. This helps maintain a consistent texture and flavor.
Pour the Japanese onion dressing into a clean, airtight jar or container. Glass jars with tight-fitting lids are ideal for preserving the freshness and preventing any unwanted odors from seeping in.
Label the jar with the date of preparation. This will help you keep track of its freshness and ensure you use it within the optimal time frame.
Store the jar in the refrigerator. The dressing can be kept refrigerated for up to two weeks. Always shake well before each use to re-emulsify the ingredients.
For longer storage, consider freezing the dressing. Pour it into ice cube trays for convenient, single-serving portions. Once frozen, transfer the cubes to a freezer-safe bag or container.
When ready to use, thaw the desired number of dressing cubes in the refrigerator overnight or at room temperature for a few hours. Shake or stir well before serving to ensure the texture is smooth.
Avoid refreezing the dressing once it has been thawed, as this can affect the quality and flavor.
If you notice any changes in color, texture, or smell, it's best to discard the dressing. Freshness is key to maintaining the delightful taste of this Japanese onion dressing.
How to Reheat Leftovers
Pour the Japanese onion dressing into a small saucepan and heat over low to medium heat. Stir occasionally to ensure even heating and prevent the onion and garlic from sticking to the bottom.
Alternatively, transfer the dressing to a microwave-safe container. Cover it loosely with a microwave-safe lid or plastic wrap, leaving a small vent. Heat on medium power for 30-second intervals, stirring in between, until the dressing is warmed through.
If you prefer a more gentle reheating method, place the jar of Japanese onion dressing in a bowl of warm water. Let it sit for a few minutes, shaking occasionally to distribute the heat evenly.
For a quick and easy method, use a double boiler. Fill the bottom pot with water and bring it to a simmer. Place the dressing in the top pot and heat, stirring occasionally, until it reaches the desired temperature.
If you have a sous vide machine, set it to 140°F (60°C). Place the dressing in a vacuum-sealed bag or a jar with a tight-fitting lid. Submerge it in the water bath for about 15-20 minutes, shaking occasionally to ensure even heating.
Best Tools for Making This Dressing
Blender: To combine all the ingredients and blend them until smooth.
Measuring cups: To measure out the soy sauce, rice vinegar, and vegetable oil accurately.
Measuring spoons: To measure the sugar, minced garlic, and grated ginger precisely.
Knife: To chop the medium onion and mince the garlic.
Cutting board: To provide a safe surface for chopping the onion and mincing the garlic.
Grater: To grate the ginger for the dressing.
Jar: To store the dressing in the refrigerator.
Spatula: To scrape down the sides of the blender if needed.
Refrigerator: To store the dressing and keep it fresh.
How to Save Time on Making This Dressing
Pre-chop ingredients: Chop the onion, garlic, and ginger in advance and store them in the fridge.
Use a food processor: Instead of a blender, use a food processor for faster blending.
Measure ahead: Measure out the soy sauce, rice vinegar, vegetable oil, and sugar before starting.
Batch preparation: Make a larger batch and store it in the fridge for future use.
Pre-mix liquids: Combine the soy sauce and rice vinegar in a jar beforehand.

Japanese Onion Dressing Recipe
Ingredients
Main Ingredients
- 1 cup Soy Sauce
- ½ cup Rice Vinegar
- 1 medium Onion chopped
- ½ cup Vegetable Oil
- 2 tablespoon Sugar
- 1 clove Garlic minced
- 1 tablespoon Ginger grated
Instructions
- Combine all ingredients in a blender.
- Blend until smooth.
- Store in a jar and refrigerate. Shake well before use.
Nutritional Value
Keywords
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