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–+ servings
Coffee jello in a glass with milk.

Homemade Saiki K Coffee Jelly

Author: Jessica Haggard
Saiki K coffee jelly turns strong brewed coffee and a tablespoon of unflavored gelatin into a firm, sliceable dessert. The bold, barely sweetened flavor carries through every cube, exactly the way it should.
5 from 9 votes
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Prep Time 5 minutes
Cook Time 10 minutes
Chill Time 4 hours
Total Time 4 hours 15 minutes
Course Desserts
Cuisine Copycat, Japanese
Servings 8
Calories 9 kcal

Ingredients
 
 

  • 1 tablespoon gelatin powder
  • ¼ cup water
  • 2 cups brewed black coffee (extra-strength, brewed with a drip cone, moka pot, or French press)
  • 1 tablespoon sugar

Topping (optional - choose one)

  • Sweetened condensed milk
  • Whipped cream
  • Vanilla ice cream

Instructions
 

  • Mix the gelatin powder with 1/4 cup of water in a small, wide bowl. Stir quickly to hydrate the powder so there are no dry clumps. Set aside for a few minutes to bloom.
    A bowl of gelatin blooming with a spoon on a marble stone.
  • Heat the coffee and sugar together in a small saucepan over medium heat until it comes to a simmer.
    A person holding a cup sugar over a pot of coffee.
  • Turn off the heat and add the bloomed gelatin.
    A person is adding gelatin to coffee into a pot.
  • Whisk well until the gelatin completely dissolves. Continue whisking until smooth and fully incorporated.
    Stainless steel whisk in small sauce pan of coffee.
  • Cool for 10 minutes at room temperature before pouring the coffee mixture into an 8x8-inch square baking dish. Refrigerate for at least 4 hours or until firmly set. Once set, cut into 1/2-inch cubes.
    A glass dish with chilled saiki k coffee jelly and a spatula in it.
  • Serve in stemware or individual bowls. Top with whipped cream, sweetened condensed milk, or vanilla ice cream.
    A glass with coffee jelly and multiple silver spoons next to it.

Notes

  • Brew extra-strength coffee. The full-bodied flavor needs to carry through to the chilled dessert. A drip cone, moka pot, or French press gives the concentration a regular drip machine can't.
  • Taste the sweetened coffee before adding gelatin. That's what the finished jelly will taste like. Add an extra tablespoon of sugar if you want it sweeter.
  • For individual portions, pour the liquid into serving cups instead of a baking dish before chilling. Set the cups on a tray for easy transport.
Serve:  As cubes in glasses or bowls topped with whipped cream, sweetened condensed milk, or vanilla ice cream.
Store: Refrigerate leftover jelly, separate from toppings, in an airtight container for up to one week. Don't freeze. Freezing creates ice crystals that ruin the texture.
Nutrition is calculated for the jelly only. Adjust depending on the topping you choose.

Nutrition

Serving: 1gCalories: 9kcalCarbohydrates: 1gProtein: 1gFat: 0.02gSaturated Fat: 0.001gMonounsaturated Fat: 0.01gSodium: 3mgPotassium: 33mgSugar: 1gCalcium: 2mgIron: 0.02mg
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