Kanten

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Kanten fruit jelly is a pretty and delicious Japanese summer dessert. This dessert recipe is super easy to make using Kanten powder. Read on to learn all about Kanten. What is it made of, where to get it from and finally how to use it to make delicious and healthy desserts.

Kanten Fruit Jelly served in a glass bowl

What is Kanten Jelly?

Kanten is processed and dried seaweed such as Tengusa (in the photo). It has been used for making Wagashi (Japanese confectionery) such as Anmitsu and Raindrop cake since the Edo period. Nowadays, it is widely used not only for food but also in medical and scientific fields such as wafers ingredient and bacterial culture media.

Tengusa red algae is on a bamboo tray with a box of Kanten powder
Tengusa

What does this Jelly Taste Like?

Kanten does not have any taste. It has a solidifying effect and so it is useful to make Fruit Jelly, I used Apple juice to give a fruity flavour to it. This jelly has a firm but crumbly texture.

Fruits on a bamboo tray, Kanten jelly in a box, sugar in a bowl and Apple Juice in a jug
Kanten Fruit Jelly Ingredients

So What is it Made of Exactly?

Kanten is made from Tengusa (red algae) also known as Agar or agar agar. Tengusa is harvested in the area Shizuoka, Mie (where I lived for over 10 years), Wakayama (where I was born & raised) prefecture and also the Korean Peninsula. Kanten Agar is obtained by boiling seaweed such as Tengusa, freezing the viscous liquid and then drying it.

4 photo collage showing cutting up fruit to small pieces and mixing apple juice with Kanten Powder

Three Types of Kanten

  1. Stick Agar: Agar in stick form. You can use it by tearing and softening it by soaking in water.
  2. Ito Agar: Agar in thread-like form. This type also requires softening by soaking in water.
  3. Agar Powder: Agar in powder form. Agar powder does not require soaking in water for preparation. It dissolves in water easily therefore it is prepared in a shorter time than stick and thread agar.
4 photo collage showing adding sugar to Kanten jelly mixture and pouring it into a mold with fruit pieces

What is this Seaweed By-product Good For?

It has been in the spotlight as a healthy food in Japan. This is mostly because this jelly is rich in plant dietary fibre unlike gelatin which is made from animal proteins. It is a great alternative to gelatin for Vegans and Vegetarians. Also, it is ultra-low in calories. It contains only 3 kcal in 3.5 oz (100g). So many Japanese eat Kanten for diet and also to eliminate constipation.

Kanten Fruit Jelly in a mold

Where to buy this product?

Kanten sticks, Ito Kanten and Kanten Powder are available from Japanese/Asian grocery stores if you have them nearby. If not, they are available from online stores such as Amazon.

Cutting set Kanten Fruit Jelly with a knife

Difference Between Kanten & Gelatine

In my Japanese sweets recipe post, Anmitsu, this jelly is also used and I discussed the difference between Kanten, Gelatine and Agar (made from other seaweeds). Check out the chart if you are interested.

Agar packet, Kanten powder and Gelatine sheets and powder

Tips to Use Kanten Agar Powder

  • The amount of the agar powder is 1 to 1.5% of the liquid.
  • Kanten Agar powder dissolves at 194°F (90°C). Therefore add the powder to the liquid and once it boils, keep simmering for about 1-2 min.
  • It starts to coagulate at around 86°F(40°C), so once you cool down the mixture, pour it into the moulds you use and add fruits to set.
  • Once it sets, it will not melt at room temperature.
an ice cube mold, a rectangle molds, and a sphere mold

FAQ

Q: Can you freeze Kanten?

A: The answer is yes or no. You can freeze it but completely defrosted Kanten is not quite edible, so I advise not to.

Q: I don’t have the sphere mold like yours. What can I use instead?

A: You can set the mixture in anything. You can even use an ice cube tray if you like.

 agar Fruit Jelly served in a glass bowl with a spoon

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Kanten Fruit Jelly served in a glass bowl

Fruit Kanten Jelly フルーツゼリー

5 from 3 votes
Kanten Fruit Jelly is a delicious and healthy Japanese dessert made from Kanten agar powder! This recipe is for Japanese cooking beginners and also vegans, vegetarians and for people on a diet. This is because Kanten is rich in plant fiber and ultra low in calories.

Video

Prep Time 5 minutes
Cook Time 1 hour 5 minutes
Set the mixture in the fridge 30 minutes
Total Time 1 hour 40 minutes
Servings: 4

Ingredients

  • Your choice of fruit I used 8 raspberries, half a kiwi, and 8 mandarin segments from a can of pre-peeled mandarins.
  • 2 cups Apple juice *1
  • 4 g Kanten powder *2
  • 2 tbs sugar *3

Instructions

  • Wash the rapsberries, cut the kiwi into small pieces and drain syrup or juice from the mandarin container and set aside.
  • Pour Apple juice into a saucepan and place it over medium heat.
  • Add Kanten powder and sugar, and bring it to boil.
  • Turn the heat down and simmer for 1-2 minutes. *4
  • Place fruits into a mold in which you are going to set the mixture. *5
  • Pour the agar mixture over the fruit. *5
  • Put the lid on and refrigerate to set for 30 minutes. *6

Notes

*1 I used 100% organic cold press Apple juice no added sugar. You can replace with water if you like. 
*2 The Kanten powder I used comes in a sachet of 4g. The ratio is 1 to 1.5% to the liquid so I used 2 cups of Apple Juice. 
*3 You can omit this if you like. It will be healthier without sugar. I used elxiritol instead of sugar. 
*4 Making sure the powder dissolves. 
*5 I put the fruit in first for the sphere mould and poured the mixture first for the rectangular mould. It doesn’t really matter. However, you can add fruit when the mixture has cooled a bit so that all the fruit will not set at the bottom of the mould. 
*6 It will start to set at room temperature, so it will not take 30 minutes, but I prefer refreshingly chilled dessert so I left it in the fridge at least 1 hour.   
*7 Nutrition value is an indication only and it does not include fruit choice. 
*8 See the difference of agar and kanten here 

Nutrition

Calories: 70kcal · Carbohydrates: 19g · Protein: 1g · Fat: 1g · Sodium: 10mg · Fiber: 1g · Sugar: 18g
Course: Dessert, Snack
Cuisine: Japanese
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Shihoko Ura of Chopstick Chronicles
About The Author

Shihoko Ura

Shihoko Ura is a Japanese home cook and cookbook author with a passion for food and photography. She shares her authentic and beloved recipes with step-by-step guides and helpful tips so you too can make delicious Japanese food at home. Her recipes have featured in The Japan Times, Buzzfeed, and Country Living.

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Questions and Reviews

  1. Love this recipes! It is so easy. We recently went to Japan and my daughter loved the jelly. So I was looking for an easy recipe using Agar. I just used 2 tsp agar powder. Came out great!

  2. I only have ito kanten on hand.
    Would it be okay to use that in place of the powdered version, and if so, would the ratios still be the same?

  3. Thanks for sharing this recipe!
    I only have ito kanten on hand. Could I use that to make this instead of the powdered version, and if so, would the proportions be the same?

  4. Can you spray Kanten -jelly liquid through a device into a bowl of ice water which solidifies it to make gelatinous strands like glass noodles?

    I believe I had it this way in Tokyo, where I had to find the gelatenous strands in the water, pick them up with chop sticks, dip them in honey and eat

    1. Hi Ian, I think what you had in Tokyo is “Tokoroten” and it is made with kanten which is squished out through this tool

  5. 5 stars
    I love having a vegan alternative to jell-o. What other fruits did you use in these jellies? It looks like there’s strawberry, dragon fruit, pears, and peaches. 😀 Do you think grapes would work?

    1. Thank you Nova, any fruits, I used raspberry, kiwi fruit( it looked like dragon fruit doesn’t it?) and mandarin. Grape would work too!