Tonkatsu (とんかつ) — Japanese Breaded Pork Cutlet

About This Recipe

Tonkatsu (とんかつ — ton: pork, katsu: cutlet) is the quintessential Japanese yōshoku dish — a category of Westernized dishes that entered Japan during the Meiji era (1868–1912) and became so thoroughly Japanese that they are now inseparable from the cuisine. Tonkatsu takes the European breaded schnitzel concept and transforms it with two distinctly Japanese interventions: panko breadcrumbs and tonkatsu sauce. Panko (パン粉), the airy, shard-like breadcrumbs made from crustless white bread, create a dramatically lighter, crunchier, and less oil-absorbent shell than European dried breadcrumbs. Tonkatsu sauce — a thick, sweet-sour condiment of Worcestershire base blended with fruit purée, tamarind, and spices — was developed specifically for this dish and has become a cornerstone of Japanese sauce culture. The best tonkatsu is served at specialist tonkatsu restaurants (tonkatsuya) where pork is sourced from specific heritage breeds like Kagoshima black pork (kurobuta), the loin is left thick at 2–2.5 cm, and the cabbage alongside is shredded fresh per order on a turning-blade machine to an almost ethereally fine consistency. This recipe reproduces the essential technique at home: proper butterfly or thick-cut pork loin, a triple coating of flour-egg-panko, and a precise frying temperature that cooks the center through before the crust over-browns.

Ingredients

Serves 4

• 4 piecespork loin chops(2–2.5 cm thick, bone-in or boneless, 160–180 g each)
• 1 tspfine salt
• 0.5 tspwhite pepper
• 80 gall-purpose flour(for dredging)
• 2 largeeggs(beaten with 1 tbsp water)
• 150 gpanko breadcrumbs(Japanese brand — Kikkoman or Morinaga; not substitutable with regular breadcrumbs)
• 800 mlneutral frying oil(rice bran or sunflower; enough to reach 4 cm depth)
• 0.5 headgreen cabbage(very finely shredded — use a mandoline or sharp knife)
• 4 tbsptonkatsu sauce(Bulldog brand is the Japanese benchmark; or mix 2 tbsp Worcestershire + 1 tbsp ketchup + 1 tsp sugar)
• 1 tbspJapanese yellow mustard(karashi; or English mustard as substitute)
• 2 tbspJapanese mayonnaise(Kewpie brand, for drizzling on cabbage)
• 1 wholelemon(cut into wedges)
• 2 cupssteamed Japanese short-grain rice(for serving)
• 1 bowlmiso soup(optional — traditional accompaniment)

Instructions

1. 1

   Prepare the pork

   Using a meat mallet or rolling pin, pound each cutlet lightly to an even 2 cm thickness. Cut through the fat cap on the edge of each chop at 3 cm intervals — this prevents the cutlet from curling and bowing during frying. Season both sides with salt and white pepper. Let rest at room temperature 10 minutes.

   Cutting through the fat cap is the single most important prep step for flat, evenly-cooked tonkatsu.

2. 2

   Set up the breading station

   Prepare three shallow dishes in order: (1) flour, (2) beaten egg, (3) panko. Dredge each cutlet in flour, shaking off all excess. Dip in egg, ensuring full coverage. Press firmly into panko on both sides, pressing the crumbs in with your palm — you want a thick, even coating with no bare patches. Rest on a rack 5 minutes to let the coating set.

3. 3

   Heat the oil

   Pour oil into a deep, heavy skillet or pot to 4 cm depth. Heat to 170°C. Test with a panko crumb: it should sink slightly, sizzle vigorously, and float to the surface within 3 seconds. Adjust heat to maintain temperature between 165–175°C throughout frying.

4. 4

   Fry the first side

   Gently lower 2 cutlets at a time into the oil — do not bend them. Fry undisturbed 3 minutes until the bottom is golden. Do not move or press the cutlets during this phase.

   Frying 2 at a time prevents temperature drops; frying all 4 at once will cool the oil and produce greasy, soggy tonkatsu.

5. 5

   Flip and finish

   Flip once using tongs. Fry the second side 2.5–3 minutes until evenly golden brown. Internal temperature should reach 65°C for the center. Remove to a wire rack — never paper towels, which create steam and soften the crust. Rest 2 minutes before slicing.

6. 6

   Slice and plate

   Slice each cutlet into 2 cm strips while keeping the pieces together — push them back into cutlet shape on the plate using the side of your knife, which makes picking up pieces with chopsticks easy. Plate with a mound of finely shredded cabbage, a drizzle of Kewpie mayo on the cabbage, a wedge of lemon, and a generous pool of tonkatsu sauce poured over the cutlet (not the cabbage).

7. 7

   Serve

   Serve with steamed rice and miso soup for a complete teishoku (set meal). Drizzle karashi mustard over the cutlet. Traditionally, sesame seeds are pressed on the plate surface with chopsticks for aroma and ritual — a marker of a quality tonkatsu restaurant.

Variations

• •

  Katsudon: tonkatsu served over rice in a bowl, with beaten egg and onion simmered in dashi and poured over the cutlet (see separate katsudon recipe).

• •

  Hire katsu: made from pork tenderloin (hire) instead of loin — leaner, softer, but drier; requires more careful frying.

• •

  Menchi katsu: ground pork and onion patty breaded and fried — a different but related yōshoku classic.

• •

  Chicken katsu: substitute boneless chicken thigh (not breast) for the pork — even juicier and faster-cooking.

Storage

Tonkatsu is best eaten within minutes of frying. Leftovers refrigerate for 2 days. Reheat on a wire rack in a 200°C oven for 8 minutes — this re-crisps the crust better than any other method. The microwave renders the crust completely soft and is not recommended.

Frequently Asked Questions