Niku dango: Japanese Meatballs with Sweet & Sour Ankake Sauce

Niku dango: Japanese Meatballs with Sweet & Sour Ankake Sauce（肉団子甘酢あんかけ）

What is Nikudango Kurozu Ankake?

These are juicy pork meatballs (Nikudango) tossed in a generous amount of savory-sweet black vinegar sauce. What makes this recipe special—and healthier—is that the meatballs are boiled instead of deep-fried. This creates a lighter texture and a clean taste that perfectly complements the rich, tangy glaze.

This recipe makes about 20 meatballs, so it’s perfect for meal prep! They freeze beautifully, making them a convenient option for busy weekdays. While I love this traditional black vinegar version, these meatballs are versatile and also taste great with ketchup, tomato sauce, or even demi-glace.

What is Black Vinegar (Kurozu)?

To understand black vinegar, it helps to know how vinegar is classified:

• Brewed Vinegar: Made naturally from grains or fruits.
• Synthetic Vinegar: Made from acetic acid with added flavorings.

Among brewed vinegars, we distinguish between grain vinegars (like rice, barley, or black vinegar) and fruit vinegars (like apple cider, wine, or balsamic vinegar).

In this recipe, I use Rice Black Vinegar (Kurozu). While standard rice vinegar is made from highly polished rice, Kurozu is crafted from unpolished brown rice (with the bran intact). It uses 4.5 times more rice than regular vinegar and undergoes a fermentation process lasting several years. This results in a darker amber color, a milder aroma, and a deeper, more complex nutritional profile.

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Ingredients (Serves 5): Niku dango amazu ankake

For the Meatballs:

• Minced pork: 450g
• Salt: 2g
• Onion: 100g (finely minced)
• Sesame oil: 1g
• Egg: 1 large
• Grated ginger: 3g
• Soy sauce: 10g
• Potato starch: 6g

For the Black Vinegar Ankake Sauce:

• Soy sauce: 60–90g (adjust to taste)
• Sugar: 20–30g
• Black vinegar: 30–45g
• Sake: 20g
• Reserved boiling water (from the meatballs): 100g
• Thickener: 5g Potato starch dissolved in 50g water (slurry)
• Garnish: 3g Roasted sesame seeds

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How to make Niku dango amazu ankake

1. Prepare the Meatballs
   • Finely mince the onion. In a large bowl, combine the ground pork and salt. Knead until the mixture becomes tacky and fibrous. Add the ginger, sesame oil, soy sauce, and egg. Continue kneading until smooth, then incorporate the potato starch and mix well.
2. Boil the Meatballs
   • Shape the mixture into small rounds (approx. 20–25g each). Carefully drop them into a pot of boiling water and cook over medium heat. Once the meatballs float to the surface, they are cooked. Gently transfer them to a frying pan using a slotted spoon.
3. Glaze and Simmer
   • Add the soy sauce, sugar, black vinegar, and sake to the frying pan with the meatballs. Simmer over medium heat. Reducing the sauce at this stage is the secret to achieving a beautiful, glossy amber glaze. Pour in 100g of the cooking liquid (reserved from the boiling pot) and simmer for a few more minutes to meld the flavors.
4. Finish the Sauce
   • Turn off the heat and stir in the potato starch slurry. Turn the heat back on and stir constantly until the sauce thickens into a silky “Ankake” texture. Garnish with toasted white sesame seeds for a nutty finish.

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💡 Pro-Tip from a Dietitian

By boiling the meatballs, you significantly reduce the calorie and fat content compared to the traditional deep-fried version. The black vinegar adds a punch of umami and organic acids that help with fatigue recovery, making this a perfect healthy dinner choice!

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📖Related Link: Read the Japanese version of this article here! [肉団子：甘酸っぱいあんかけソースをかけた日本のミートボール]　

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