Nikomi Hambagu (Japanese Stewed Hamburger Patties)
Nikomi Hambagu (煮込みハンバーグ), or Japanese stewed hamburger patties, was one of my favorite school lunch dishes. These tender hamburger patties were simmered in a sweet and savory ketchup-based sauce, allowing them to soak up all the delicious flavors. They were always served alongside freshly cooked rice, making it such a comforting and satisfying meal.
Unlike traditional Japanese Hambagu, which is typically served with a sauce poured over the top, Nikomi Hambagu is gently simmered directly in the sauce. This makes the patties extra tender and flavorful. The best part is that you don’t worry too much while cooking the patties if it’s cooked through, because the stewing process makes sure it’s cooked enough.
It's a simple, family-friendly Japanese home-cooked meal that I hope you'll enjoy as much as I do!
What Is Nikomi Hambagu?
Nikomi Hambagu (煮込みハンバーグ) is a Japanese-style hamburger steak simmered in a flavorful sauce. The word nikomi (煮込み) means simmered or stewed, while hambagu (ハンバーグ) refers to Japanese hamburger steak.
Unlike American hamburgers, Japanese Hambagu is served without a bun and is usually enjoyed with rice and vegetables.
The sauce is often made with ketchup, Worcestershire sauce, soy sauce, or other seasonings, creating a slightly sweet and savory flavor that pairs perfectly with the juicy meat patties.
Tips for Making Delicious Nikomi Hambagu
1. Use a combination of ground beef and pork
I like combining ground beef and pork because the beef adds rich flavor while the pork helps keep the patties tender and juicy - it’s popular way in Japan to make the hambagu with two kinds of meat. If you prefer, you can also use all ground beef.
2. Mix the meat mixture well
Don't forget to season the meat with salt and pepper, and make sure it’s combined very well. You can also add garlic powder, onion powder, or your favorite herbs for extra flavor.
4. Sear before simmering
Quickly browning the patties creates a flavorful exterior and helps develop a deeper flavor in the sauce.
5. Simmer gently
Once you return the patties to the sauce, keep the heat low and let them simmer gently with the lid on. Avoid boiling too vigorously, as this can cause the patties to break apart. A gentle simmer also allows the patties to absorb the sweet and savory sauce while cooking through evenly.
RECIPE
Servings: 8-10 patties
Time: 40 min
Ingredients:
1 lb ground beef
1/2 lb ground pork
1 small onion, finely chopped
2 tbsp butter
2 eggs
1/3 cup panko breadcrumbs
1/4 cup milk
salt and pepper, to taste
Sauce
1/2 pc onion
1 pack shimeji mushroom
1 cup water
1/3 cup sake
2 tbsp soy sauce
1 tbsp sugar
4 tbsp ketchup
broccoli
Instructions:
Prepare the ingredients
Finely chop the onion for the hamburger patties.
Slice the remaining half onion for the sauce.
Separate the shimeji mushrooms into small clusters.
Boil or steam the broccoli for 5 minutes if you are adding them.
Cook the onion
Heat a pan over medium heat and add the butter.
Add the chopped onion and sauté until softened and slightly browned.
Transfer to a plate and set aside to cool.
Make the hamburger patties
In a large bowl, combine the ground beef and pork.
Add the eggs, panko, milk, salt, pepper, and cooled sautéed onion.
Mix well until all ingredients are thoroughly combined.
Divide the mixture into portions and shape each portion into a patty.
Cook the patties
Heat cooking oil in a pan over medium heat.
Add the patties and sear for about 2 minutes on each side, until nicely browned.
Remove the patties from the pan and set aside.
Make the sauce
In the same pan, add the sliced onion and shimeji mushrooms.
Sauté until softened.
Add the sauce ingredients (water, sake, soy sauce, sugar, and ketchup) and bring to a boil.
Simmer the patties
Return the patties to the pan.
Cover with a lid and simmer gently for about 10 minutes, or until the patties are cooked through.
Add boiled broccoli if desired.
FAQ
What is the difference between Hambagu and Nikomi Hambagu?
Japanese Hambagu is typically pan-fried and served with sauce on top. Nikomi Hambagu is simmered directly in the sauce, allowing the patties to absorb the flavors while becoming tender and juicy.
Is Nikomi Hambagu the same as an American hamburger?
No. Japanese Hambagu is a hamburger steak made with ground meat, breadcrumbs, eggs, and seasonings. It is served without a bun, usually alongside rice and vegetables.
Can I use only ground beef instead of beef and pork?
Yes! You can use all ground beef. I recommend using ground beef that isn't too lean to help keep the patties moist and flavorful.
Can I make Nikomi Hambagu ahead of time?
Yes! You can prepare the hamburger patties ahead of time and refrigerate them until ready to cook. You can also cook the entire dish ahead of time and gently reheat it before serving.
Can I freeze Nikomi Hambagu?
Yes. Allow the cooked hamburger patties and sauce to cool completely, then store them in an airtight, freezer-safe container. Freeze for up to 2–3 months for best quality. Thaw overnight in the refrigerator and reheat thoroughly.
What mushrooms can I use instead of shimeji mushrooms?
You can substitute shimeji mushrooms with button mushrooms, cremini mushrooms, or sliced shiitake mushrooms. Each adds a slightly different flavor, but they all work well in the sauce.
What should I serve with Nikomi Hambagu?
Japanese short-grain rice is my favorite pairing. You can also serve it with steamed vegetables, potato salad, or a simple green salad.
What to Serve with Nikomi Hambagu
For a classic Japanese-style meal:
Steamed Japanese rice
Miso soup like this one
Pickles (tsukemono)
