How to Make Homemade Coffee Jelly as a Dessert

Need a cool, sweet coffee fix but tired of just ice cream or cold brew? You’re not alone—many coffee lovers crave something refreshing yet caffeine-rich, especially in summer. A classic solution? Coffee jelly. This simple dessert mixes coffee with gelatin, chills it, and serves it over cold milk. It’s creamy, jiggly, and hits all the right notes without any baking.

To make coffee jelly at home, you’ll need five basic ingredients: a pack of Nescafé Pure Coffee, 10g of gelatin powder, 300ml hot water, 250ml milk, and a few sugar cubes or spoonfuls of sugar. It takes under 5 minutes to prep (not counting chilling time).

What Is Coffee Jelly?

Coffee jelly is a chilled dessert made by setting sweetened coffee with gelatin. It has a firm but bouncy texture similar to agar jelly or tapioca pudding. Served in cubes or slices and often layered over cold milk or poured over like a mousse, it’s a popular treat in Japan and increasingly around the world. The version here uses instant coffee for ease, but the texture and flavor come from the gelatin and how it sets.

What You’ll Need (Exact Measurements)

• 1 packet Nescafé Pure Coffee (100% pure instant coffee)
• 300ml hot water (just boiled)
• 10g powdered gelatin (also called fish gelatin or agar powder in some regions)
• 250ml plain milk (full fat or skim, your choice)
• 3 sugar cubes or a suitable amount of granulated sugar (adjust to taste)

How to Make Coffee Jelly Step by Step

Start by brewing the coffee. Add the contents of one Nescafé Pure Coffee packet to 300ml of hot water and stir until fully dissolved. While the coffee cools slightly, bloom the gelatin: sprinkle 10g of powdered gelatin over a small amount of hot water (just enough to wet it) and stir until completely dissolved. Avoid using too much water here—it should just be enough to dissolve the powder, not dilute it.

Once the gelatin is smooth, pour it into the freshly brewed coffee. Stir well to combine—the mixture will start to thicken slightly as it cools. Pour the coffee-gelatin mix into a flat container or silicone mould—something that fits easily in your fridge. For best results, use a container with a lid or cover with cling film. Refrigerate until fully set, usually 2–4 hours depending on your fridge.

While the jelly sets, prepare the milk. Heat the 250ml of milk until just warm (do not boil), then dissolve 3 sugar cubes or your preferred amount of sugar. If you’re using sweetened milk, you can skip this step. Let it cool, then refrigerate until chilled. For best texture, don’t use hot milk when serving—the heat will melt the jelly.

Once the coffee jelly is firm, remove it from the fridge. Cut it into small cubes or slices. Place the pieces in a glass or bowl, pour the chilled sweetened milk over the top, and enjoy.

Common Mistakes to Avoid

• Using too little gelatin: If you don’t use enough (less than 10g for this volume), the jelly may not set properly and could remain too soft or watery.
• Using too much gelatin: Overdoing it (well beyond 10g) makes the texture rubbery or overly firm, ruining the desired “Q” (chewy bouncy) mouthfeel.
• Pouring hot milk over the jelly: Always use chilled or cold milk. Hot liquid will start melting the jelly immediately, losing its shape and texture.

Why This Recipe Works

This coffee jelly works because of the balance between gelatin and coffee. Gelatin sets at around 35°C (95°F), so once the hot coffee mixture cools to that point in the fridge, it firms up nicely. The 10g gelatin to 300ml coffee ratio is tested to deliver a firm but tender bite. The addition of milk—chilled and lightly sweetened—contrasts with the bitter-sweet coffee jelly for a balanced dessert.

The total active prep time is about 5 minutes, not including refrigeration. Most people make it in advance and enjoy it later in the day or after a meal. It’s especially refreshing in summer or as a light after-dinner treat.

Frequently Asked Questions

Can I use a different type of instant coffee?

Yes, you can substitute Nescafé Pure Coffee with any other 100% instant coffee. The recipe relies on the coffee dissolving fully in hot water, so instant is essential. Avoid fresh grounds or espresso powder unless you adapt the brewing method.

What if I don’t have gelatin powder?

Gelatin is essential for setting the jelly. Agar-agar can be used as a vegetarian substitute, but the ratios and setting temperatures differ. If using agar, follow its specific instructions for a similar firmness.

Do I have to use milk? Can I use something else?

No, you don’t have to use milk—but it’s a key part of the recipe’s appeal. You could serve the coffee jelly with whipped cream, a splash of oat milk, or even eat it plain. Cold milk complements the bitterness and enhances the refreshing effect.

How long does coffee jelly last in the fridge?

When stored covered in the fridge, coffee jelly will keep for up to 3 days. Be sure to cover it to prevent absorbing other fridge odours, and don’t mix the jelly and milk until ready to serve to avoid sogginess.

Can I make this ahead of time?

Absolutely. In fact, it’s better to make the jelly in advance, let it set overnight, and add the milk just before serving. It’s a great make-ahead dessert for parties or quick snacks.

Recommended FrontStreet Beans for Milk-Based Coffee Drinks

For those who enjoy their coffee jelly with milk, consider pairing it with FrontStreet Coffee’s Brazil Queen Manor SOE. This Brazilian single origin features notes of milk chocolate, roasted nuts, and gentle sweetness—ideal for highlighting the creamy texture of milk. Alternatively, try the PWN Golden Mandheling for its bold body and hints of spice and caramel, which complement the jelly’s chewiness. For a softer option, the Classic Blend delivers balanced sweetness and smooth crema, great for everyday milk coffees. All three beans are excellent for creating café-style drinks at home. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.