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Japanese Coffee Jelly

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Japanese Coffee Jelly is a simple dessert made with strongly brewed black coffee, sugar and cream. It's easy to make and makes a refreshing treat in the summer, or whenever you need a pick-me-up!

Prep Time10 minutes
Setting Time4 hours
Total Time4 hours 10 minutes

Course Sweets and Desserts
Cuisine Japanese
Servings 6 servings
Prep Time: 10 minutes
Setting Time: 4 hours
Total Time: 4 hours 10 minutes

Course: Sweets and Desserts
Cuisine: Japanese
Servings: 6 servings

Ingredients 
 

Setting agent (choose 1)

  • 15 g gelatin powder or
  • 15 g agar agar powder or
  • 2 g Japanese kanten powder (each sachet is usually 4g)

Other ingredients

  • 500 ml water
  • 2 tbsp instant espresso see post for other coffee options
  • 2-3 tbsp sugar adjust sweetness to your liking
  • heavy cream (whipped, pouring or ice cream) optional
  • flavored syrup (vanilla, hazelnut or caramel) optional
  • chopped walnuts, mint leaves or coffee beans optional

Instructions 

Gelatin

  • Take a small bowl and 200ml cold water. Sprinkle in 15 g gelatin powder, mix and leave to bloom for 5-10 minutes.
    pouring gelatine powder into water
  • Once the gelatine has bloomed, boil water and pour 300ml into a heatproof jug. Pour the gelatine in and mix until dissolved.
    pouring bloomed gelatine into a jug of boiled water
  • Add 2-3 tbsp sugar and 2 tbsp instant espresso. Mix until dissolved and scoop out any foam that forms at the top.
    whisked coffee jelly in a glass measuring jug
  • Pour into a mold and let it cool to room temperature before placing it in the fridge to set fully. This will take approximately 4 hours.
    coffee jelly made with gelatine cooling in rectangular container
  • Once set, cut into cubes (or serve in cups) and add heavy cream and your choice of toppings.
    Japanese coffee served in a glass dish with whipped cream and chopped walnuts close up

Kanten or Agar Agar

  • Pour 2-3 tbsp sugar and 2 g Japanese kanten powder (or 15 g agar agar powder) into a bowl and mix thoroughly.
    kanten (or agar agar) whisked with sugar in a mixing bowl
  • Pour 500 ml water into a saucepan, add the kanten and sugar, and mix thoroughly.
    pouring katen (or agar) and sugar into a saucepan of cold water
  • Transfer the pan to the stove and bring to a boil over medium heat. Boil for 5 minutes, stirring occasionally and then remove from the heat.
    sugar and kanten (or agar agar) boiled in a saucepan of water
  • Leave to cool for a few minutes and the add 2 tbsp instant espresso. Use a spatula to mix until dissolved, mix gently to avoid creating too much foam.
    pouring instant coffee into kanten mixture
  • Scoop out any foam with a spoon.
    scooping foam from coffee jelly
  • Pour into lightly greased molds or serving cups and cool to room temperature before placing in the fridge to set fully. This will take approximately 1 hour.
    coffee jelly in glass cups
  • Once set, cut into cubes or serve straight from a cup with your choice of toppings. Enjoy!
    Coffee jelly with cream on a silver spoon

Notes

You can reduce or increase the sugar to suit your preference.
This is a general guide but many agar powders vary in weight/strength. Always check the packaging for exact measures and adjust the water content accordingly.
For best results, keep refrigerated and eat within 2 days. Add cream right before serving.
The coffee jelly tends to become a bit watery after extended refrigeration, but it's still good to eat for up to 2 days.