Easy Homemade Ponzu with Meyer Lemon

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Ponzu is a popular Japanese sauce that is incredibly versatile and pairs well with many different dishes. It is typically made with citrus juice, soy sauce, and a touch of dashi, creating a perfect balance of bright acidity and savory umami. The citrus adds a refreshing, light flavor, while the soy sauce enhances the overall depth of the dish. While ponzu is easy to find at most Japanese stores, it’s also surprisingly simple to make at home! Traditionally, my family made ponzu using citrus like daidai (Japanese bitter orange) or yuzu, but these can be difficult to find in the U.S. local stores. These days, I love using Meyer lemon, which has a balanced acidity, and a wonderfully fragrant aroma. Homemade ponzu can be used in so many ways, drizzle it over grilled meats, use it as a dipping sauce for hot pot, or toss it with salads for a fresh, flavorful finish.

Homemade ponzu sauce with Meyer lemon ready to use

Ingredients

Meyer lemon juice: ⅓ cup, about 2 Meyer lemons
Soy sauce: ½ cup
Mirin: 2 Tbsp
Dried Kelp (kombu): 1 piece (about 1 x 2 inches)
Bonito flakes: 5 g (a small handful)

Step-By-Step Instructions

1. Heat the mirin
Add the mirin to a microwave-safe container and heat for 30 seconds to 1 minute to evaporate the alcohol. Then set aside and let it cool.

2. Prepare the citrus juice
Squeeze the Meyer lemons to extract the juice. The amount of juice may vary depending on the size of the citrus. From 2 medium Meyer lemons, you will get about ⅓ cup of juice. Adjust the amount of soy sauce to be 1.5 times the amount of citrus juice.

Meyer lemons being squeezed to make fresh citrus juice for ponzu

3. Mix the base
In a bowl, combine the Meyer lemon juice, soy sauce, and cooled mirin.

Meyer lemon juice and soy sauce being mixed together

Mirin being added to the citrus and soy sauce mixture

4. Infuse the ponzu
Pour the mixture into a clean jar or airtight container. Add the kombu and bonito flakes, then mix gently. Cover and let it infuse in the refrigerator for 3–5 days. This allows the flavor to mellow, the acidity to soften, and the umami to develop.

The citrus and soy sauce mixture being poured in a clean jar.

Kombu and bonito flakes added to ponzu mixture in a jar

5. Strain and store
Strain the ponzu through a fine mesh sieve or strainer, then transfer it to a clean container or bottle for storage.

Ponzu sauce being strained through a fine mesh sieve

Homemade ponzu sauce with Meyer lemon in a glass jar

Ponzu sauce drizzled over Hiyayakko tofu salad

Recipe Tips

Adjust the citrus-to-soy sauce ratio to your taste: A 1.5:1 ratio (soy sauce to citrus juice) creates a balanced ponzu, but you can adjust it slightly depending on your preference for more brightness or more depth.

You can use other types of citrus: You can substitute with any citrus that is not too sweet, such as lemon, lime, yuzu, or kabosu. Each will give a slightly different flavor, so feel free to adjust based on what you have available.

FAQ

Q. How long does homemade ponzu last?

A. Store ponzu in a clean airtight container in the refrigerator. It will keep well for up to 4 weeks.

Q. What can I use ponzu for?

A. Ponzu is very versatile. Use it as a dipping sauce for hot pot or dumplings, drizzle over grilled meat or fish, or use it as a light dressing for salads.

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