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Sushi & Gyoza Class – How to Cook Sushi Rice + Recipes

We hope you enjoyed your evening at the cookery school, Chef Jan loves to delight guests with his mouth-watering Gyoza & Sushi. If you have any questions please ask and we’ll get back to you.

You Made:

  • Miso and sweet potato gyoza, Matsuhisa dressing
  • Katsu chicken uramaki rolls
  • Temari sushi, cured scallop sashimi, honey ponzu dressing
  • Tuna uramaki rolls, avocado topping

Sweet Potato Gyoza Recipe (Vegetarian, Dairy Free)

Ingredients: Makes 40

  • 150g shredded cabbage (Nappa or any other softer white/green cabbage)
    1/2 teaspoon salt
    250g mashed sweet potato (plain, unseasoned)
    1/2 tablespoon grated fresh ginger
    2 minced garlic cloves
    1 tablespoon chopped spring onions (use only the green part)
    2 teaspoons white miso paste
    1 teaspoon sesame oil
    1/4 teaspoon caster sugar
    40 gyoza wrappers* (use vegan ones for a vegan recipe)

For cooking

 – 4 teaspoons sesame oil
 – 120ml cold water

For the dipping sauce

 – 6 tablespoons soy sauce
 – 3 tablespoons rice vinegar
 – A few drops of sesame or chilli oil


  1. 1. Sprinkle the salt over the minced cabbage in a small bowl. Stir and leave it for 10 minutes. Squeeze the cabbage firmly in a sieve to drain and discard the excess water. Transfer the minced cabbage into a large deep bowl.

    2. Add the sweet potato puree, ginger, garlic, spring onion, miso paste, one teaspoon of sesame oil and the sugar. Mix everything together with a wooden spoon.

    3. Line a large tray with baking paper. Fill a small cup with cold water.
    Place a gyoza wrapper on a flat dry surface and put a heaped teaspoon of the sweet potato mixture in the centre (see picture above).
    Dip one finger in the cold water and trace a line along half the edge of the gyoza wrapper (see picture above).
    Fold the wrapper over to enclose the filling. Pinch the wrapper in the centre at the top to seal that spot.
    Holding the filled wrapper in your left hand (or right one if you are left-handed), pleat the top of the wrapper (see pictures above). Set aside on the lined tray keeping the edge up. Repeat with the rest of the gyoza dumplings.

    4. For the cooking part, use a large frying pan or skillet with a tight-fitting lid.
    Put the pan over a medium heat and add one teaspoon of sesame oil. When it is hot, place half the gyoza in the pan (or as many that will fit) with their edge up. Cook for about 3 minutes or until the bottom of the gyoza is golden.
    Add in 60ml of the cold water and cover immediately with the lid. Steam for about 2 minutes or until most of the water has evaporated.
    Uncover, let the water evaporate completely, then add one teaspoon of sesame oil. Cook until the gyoza is crispy in the bottom (when shaking the pan, the dumplings should slide; if not, set the pan aside and cover with the lid for another 2 or 3 minutes).
    The gyoza dumplings should be slightly translucent and the filling should be firm.

    5. Flip the gyoza dumplings on a large serving plate , browned surface up. Cover with aluminium foil while cooking the other batch (repeat the cooking actions) if you are making them all in one go.
    Serve with the dipping sauce (mix the ingredients in a small bowl).

Matsuhisa dressing


  • 1 shallot, chopped 
  • 1 spring onion, chopped
  • 5 tablespoons soy sauce 
  • 1/4 cup rice vinegar 
  • 4 teaspoons water 
  • 1 teaspoon sugar 
  • 1 pinch fine sea salt 
  • 1/2 teaspoon mustard powder 
  • 1 pinch freshly ground pepper 
  • 4 tablespoons toasted sesame oil


Place diced shallot, spring onion, soy sauce, vinegar, water, sugar, salt, mustard, and pepper in a bowl and whisk until sugar and salt are dissolved and mixture is combined. Whisk in oils until combined.

Katsu chicken uramaki rolls

Ingredients: Serves 4

  • 200g sushi rice uncooked (400g cooked, following cooking instructions)
  • 4 sheets of nori
  • Wasabi paste
  • Pickled ginger
  • Soy sauce
  • Japanese mayo
  • 1x avocado, sliced
  • 1x carrot, shredded
  • 1x cucumber, de-seeded, cut into long batons
  • Handful of coriander, chopped
  • Mild curry spice
  • 2x chicken breast, goujons
  • 200g panko breadcrumbs
  • 100g plain flour
  • 4x egg
  • 400ml vegetable oil
  • 1x lime zest


  1. First prepare crispy chicken. Season chicken well, dipped in flour, egg and breadcrumbs.
  3. Heat the oil on medium heat and fry the chicken until crispy and cooked through. Set aside to cool down completely.
  5. Mix 50g of Japanese mayo with curry spice and lime zest. Set aside.
  7. To roll sushi, you will need a sushi matt. Wrap it in clingfilm, place half a nori sheet on it.
  9. Dip your fingers in cold water, place ÂĽ of the rice on the nori, spread evenly and pat down. Flip the sheet over so the rice is on the bottom now.
  11. Make a line of curry mayo on top of your nori, beside it makes line of cucumber and avocado, place crispy chicken on top with carrot over it.
  13. Roll, let cool down and set properly and slice. Serve with a bowl of soy sauce, wasabi and ginger

Types of Sushi

Temari is a less known variety of sushi overseas and is also not as common to find in Japan, although it’s a popular style of sushi to make at home given its simplicity in form. It’s made with a small round ball of pressed rice topped with a thin layer of fish or other ingredients, which is fitting since the name comes from the traditional Japanese embroidered ball, temari, meaning “hand ball.” Often colourful and decorative, it’s a popular food for parties and picnics, and is often made for the traditional girl’s day celebration known as Hinamatsuri. If making temari for a picnic, it’s best to used cured or cooked seafood rather than raw sashimi. 

Maki, also known as “norimaki,” refers to a type of sushi where rice and ingredients are carefully rolled in a sheet of nori seaweed, which is then cut into smaller pieces. It’s believed that makizushi came into existence in the early 1700s, soon after sheet nori was invented with a similar technique used for paper making. The name norimaki is made up of two Japanese words: “Maki” meaning to roll and “nori” referring to the toasted sheet of nori seaweed used to wrap the ingredients. This is the most common type of sushi nowadays (seaweed on the outside) ….Similar to Maki: Uramaki is a famous inside out sushi, using similar techniques as for making (California roll)

Gunkan maki is another type of maki—“rolled” or “wrapped” sushi—and was invented in a Ginza sushi restaurant in the 1940s. It’s made by wrapping a wide strip of nori around a rice ball while leaving enough space at the top to be filled with various ingredients. The name, translated as “battleship” or “warship” sushi, comes from its shape, resembling a tiny ship. Popular toppings for gunkan maki include uni sea urchin, squid, salmon roe, negitoro (a blend of fatty tuna belly and green onion), potato salad, and kanimiso (blended crab brains). Gunkan maki is commonly found both in takeout sushi bento boxes and at sushi restaurants

Temaki is a novel type of sushi with a shape resembling that of an ice cream cone. To make it, rice and ingredients are held within a sheet of nori wrapped into a conical shape. It’s popular at restaurants, as well as for making at home, given its simplicity. Temaki lends itself to a variety of fillings, with some popular types including umeshiso—a paste made of fresh shiso leaf and umeboshi (pickled plum), negitoro, squid with and without natto, and sweetened omelette.

Oshizushi (pressed sushi), also known as hakozushi (boxed sushi), is a strikingly shaped style of sushi originating in Osaka. This variety is made by pressing ingredients into an “oshiwaku” rectangular box, then layering it with toppings and cutting the sushi into neat angular shapes like rectangles, triangle, or small squares. The toppings include fish like mackerel or gizzard shad and may also be decoratively layered with edible leaves like bamboo. Toppings may be placed in different arrangements, such as diagonally or with a whole fish from end to end, and this unique display makes oshizushi a popular choice for bento boxes and gifts.

Chirashizushi, translated as “scattered sushi,” is a bowl of rice topped with a variety of ingredients, with popular toppings including pieces of salmon, squid, cucumber, shredded omelette, and boiled prawns. It’s similar to a kaisendon (Japanese rice bowl topped with a large amount of seafood), with the main difference being that chirashizushi uses vinegared sushi rice whereas kaisendon uses plain steamed white rice. You can easily find chirashizushi throughout Japan as it’s widely available in convenience stores, supermarkets and department store food courts. It’s often included as a bento box feature, or enjoyed as a stand-alone meal, given its wide variety of ingredients. Its decorative, bejewelled appearance makes it popular to serve at celebratory occasions.

Yuzu-cured scallop sashimi

Ingredients Serves 2

  • 6 scallops, sliced as thin as you can
  • 2cm of grated ginger
  • 1 clove of grated garlic
  • 150 ml yuzu juice
  • 100ml of lime juice
  • 4 tbsp soy sauce
  • 2 tbsp of mirin
  • 1 tsp of sesame oil


  1. Place all the curing liquid ingredients in a small bowl and let infuse for at least 10 minutes.

    Pass through a fine sieve, keeping the liquid.

    When ready to serve, place sliced scallops in your liquid for 3 minutes to “cook”.

    The acidity of yuzu and lime will cure scallops quickly, same technique is often used in Peruvian cuisine and their ceviches (link to Nikkei?).

    After 3 minutes, strain the scallops, discard the liquid this time. You cand dry them a little bit, ideally with j-cloth.

    Serve as a topping for nigiri or temari sushi. We used honey ponzu dressing in our class as well.

Honey Ponzu sauce

Ingredients: Makes 1/2 cup

  • 60ml soy sauce or tamari
  • 2tablespoons lemon juice
  • 2tablespoons lime juice (you can use all lemon juice but the combination of lemon and lime more closely resembles the flavour of yuzu, which is the traditional citrus fruit of choice)
  • 2tablespoons mirin
  • 2teaspoons rice vinegar
  • 1/4cup (3 g) katsuobushi / bonito flakes
  • 12-inch piece kombu 
  • 1teaspoon freshly grated lemon zest (optional for bigger citrus flavour boost)
  • 1tbsp of honey


  1. Two methods:

For a more intense tuna/sea kelp flavour: In a small saucepan bring the soy sauce, mirin, rice vinegar, katsuobushi, kombu and lemon zest (if using) to a boil. Turn off the heat and let it cool completely. Strain out the solids. Stir in the citrus juice and honey.

For a milder tuna/sea kelp flavour: Place all the ingredients in a glass jar, shake, cover and chill in the refrigerator for at least 24 hours or up to a few days, shaking occasionally. Strain out the solids.

*For a simplified or vegetarian version, you can omit the katsuobushi and kombu.

Store in in a sealed jar in the refrigerator. It will keep for up to a month.

How to cook sushi rice

  • Use good quality Japanese rice
  • 1 sushi roll needs about 100g of uncooked rice
  • You can soak sushi rice before rinsing for 20 minutes for more tender grains
  • Rinse at least 4 times under running cold water, until it runs clear
  • Rice to water ratio: 1:2…Precisely 250g of rice: 330g of water
  • Place in a pan, cold, medium heat, no lid at this point, waiting to start simmer
  • After bubbles appear, place the lid on your pan and simmer for 10 minutes
  • Turn off  heat after 10 minutes and let rest for 30 minutes longer, do not remove the lid
  • Add seasoning and chill well in a refrigerator before using

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