Tsukune

In most parts of the world, chicken consists of either dark meat or light, but in Japan each bird is dissected into dozens of unique cuts, each with a unique texture, appearance and flavor. Yakitori, or “grilled chicken” restaurants are where this is most evident, with an often pages long menu of chicken parts running the gamut from the mundane, like sasami (chicken tenders) and tebasaki (chicken wings); to the novel, like bonchiri (tail) to seseri (neck meat); to the down-right bizarre, like kinkan (unlaid eggs) and sunagimo (gizzard)

And while yakitori shops these days can be sleek spendy affairs complete with their prix fixe menus, wine lists, and diners clad all in black, it wasn’t long ago that yakitori was a street food enjoyed by sweaty businessmen in ill fitting suits in cramped smoky stalls under elevated train tracks. Reaching further back, there are written records of grilled poultry dating back over 900 years.

Given its age and Japan’s aversion to waste, it’s unsurprising that every part of the chicken is used. After meticulously carving away every edible piece of the bird, the bones are usually scrapped down for any lingering bits of meat before they’re used to make stock.

It’s these scrapings, combined with end cuts, trimmings and a few seasonings that traditionally get turned into Tsukune; in essence a Japanese chicken sausage. But there’s another more unusual ingredient in tsukune. Nankotsu, or cartilage, is often minced into the mix. Not by mistake or some misguided effort to over optimize the chicken, but because it adds an addictive texture to an otherwise texturally humdrum casingless sausage.

I haven’t always felt like this though. As a kid, I used to painstakingly pick my way through chicken to avoid the cartilage and tendons and so when I first bit into a juicy piece of tsukune at a chic yakitori shop in Kyoto, I was shocked and a little grossed out by the telltale crunch of a piece of cartilage in my otherwise-delicious tsukune.

“What kind of inattentive $#*!hole had my friend taken me to”, I thought to myself. Although I was thoroughly turned off by the texture, it tasted pretty good and I didn’t want to offend my host, so I powered my way through the rest of the skewer and vowed never to return.

Fast forward a decade, and after living in Japan for nearly half that time, I’ve come to not only embrace the idea of eating cartilage, but to enjoy it. You see, the problem was with me, and not the shop. I’d grown up with certain preconceived notions about what was edible and what wasn’t, and cartilage, along with things like watermelon seeds or apple peels were things humans just weren’t meant to eat. To this day, I still prefer my apples and grapes peeled, but I’ve come to enjoy roasted watermelon seeds and I’m trying to cut back on my obsessive fruit peeling.

If I haven’t lost you with the cartilage, I’m pretty sure I’m going to lose you with the dipping sauce. Tsukune, which is often glazed with taré(similar to teriyaki sauce), is usually served with a raw egg yolk. Aside from the sphere of yolk looking stunning on the plate, it makes for a rich contrast to the savory sweet chicken sausage on a stick. If you’re on board with the idea, but worried about the food safety issues, there are two ways around this. The first is to use pasteurized eggs, the second is to serve this with sous vide eggs

While tsukune is delicious slathered in taré and the yolk, it’s also great just sprinkled with some sea salt, served with yuzu kosho, so don’t give up on this because you can’t do the raw egg.

At restaurants, Tsukune, like all yakitori is grilled over a special charcoal grill with two rails that each skewer rests upon , allowing the chicken to be suspended and rotated directly over the coals. Since most of us don’t have a yakitori grill at home, and putting this loose patty on a conventional grill is a recipe for disaster, I’ve developed a method that works pretty well at home. By starting the Tsukune in a frying pan, they can be easily skewered and finished off on a regular grill or under a broiler without having them stick.

Lastly, while it may be tempting to buy ground chicken or to toss all the ingredients into a food processor, I recommend hand chopping skin-on chicken thighs. By hand chopping the chicken, you can preserve some of its texture, so it doesn’t turn into a homogenous mush, even if you decide to forgo the cartilage. The skin is important because like any sausage, you need a certain amount of fat in the mixture, otherwise it will dry out by the time it is cooked through.

Tsukune

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Prep Time 10 mins

Cook Time 10 mins

Total Time 20 mins

Yield 6 skewer

Units

Ingredients 

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• 2 tablespoons granulated sugar
• 2 tablespoons mirin
• 2 tablespoons soy sauce
• 2 tablespoons sake
• 410 grams boneless skin-on chicken thighs
• 75 grams chicken cartilage (optional)
• 20 grams scallions (white part only, minced)
• 1 tablespoon sake
• 1 teaspoon potato starch
• ¼ teaspoon salt
• 3 grams dried shiitake mushroom
• 2 pasteurized egg yolks (for serving)

Instructions

• To make the yakitori taré, add the sugar, mirin, soy sauce and sake to a saucepan and bring to a boil. Continue to boil until the sauce becomes thick. You can tell it's done when the bubbles go from small to large and glossy.
  
• Put the chicken on a cutting board and use a sharp heavy knife such as a cleaver to chop it up. You want to get everything pretty small, but the pieces should still be bigger than ground chicken. Put the chopped chicken in a bowl.
  
• If you are using cartilage, chop it up and add it to the bowl as well.
• Add the scallions, sake, potato starch and salt and then use a Microplane to turn the dried shiitake into a powder and add it to the bowl.
  
• Put some gloves on and mix the chicken together well until everything is evenly combined.
• Heat a frying pan over medium heat until hot and then add a bit of oil and shape the chicken into 6 oblong patties and add them to the pan. Fry until golden brown on one side and then flip and fry the other side until golden brown.
  
• Using tongs to hold each Tsukune, pass two bamboo skewers through the center of each one and place the chicken on a grill. You can loosely wrap some aluminum foil around the skewers to keep them from burning on the grill. If you're using a broiler, just place the chicken on a broiler pan and put the pan under the broiler.
  
• Once the chicken reads an internal temperature of 160 degrees F, brush plenty of tare on both sides of the chicken and return briefly to the grill to caramelize the glaze. Be careful as the sugar will burn quickly.
• Serve with extra tare on the side, shichimi (Japanese 7 chili) and raw pasteurized egg yolks. The other option is to skip the glaze entirely and just salt the tsukune before placing the skewers on the grill. This can be served with a wedge of lemon and some yuzu kosho.

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Course Appetizer, Entree

Cuisine Best, Japanese

Diet Dairy-Free, Low-Carb

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