Sponge toffee or Honeycomb toffee is a classic elaboration made from sugar and baking soda. Its unique texture appears from the chemical reaction when baking soda is added to hot caramel the mixture puffs up, forming tiny air bubbles that harden as it cools, creating the crispy texture. A shot of espresso is added to deepen the flavor.
Ingredients (for 6 servings)
- 1 cup white sugar
- Splash of water
- ¼ cup of light corn syrup or liquid glucose
- 45 ml of espresso (cooled)
- 1 ½ tsp of baking soda
Instructions for honeycomb toffee
- Line an 8×8-inch square pan with lightly butter it. Keep it close at hand, once the caramel is ready, you’ll need to work quickly.
- In a heavy-bottomed saucepan, combine the sugar, corn syrup, and a splash of water. Heat over medium, mixed gently until the sugar fully dissolves.
- Increase the heat slightly and cook without stirring until the mixture reaches 150°C on a candy thermometer. The color should turn golden amber.
- Remove from heat and carefully pour in the hot espresso. The mixture will bubble up watch for splatters.
- Add the baking soda and whisk quickly but gently. The caramel will expand and foam up rapidly.
- Quickly transfer the foamy mixture into the prepared pan (Do not spread itlet it settle naturally). Allow to rest at room temperature for 2–3 hours.
- Once hardened, remove from the pan and break into irregular pieces. Store in an airtight container, away from humidity.
Tips for the perfect honeycomb caramel
- The success of your sponge toffee depends on sugar temperature. If too low it’ll stay sticky if it too high it’ll taste burnt.
- A candy thermometer is essential.
- Add the baking soda all at once and mix briskly over mixing will collapse the bubbles.
- Don’t expose the candy to humidity or open the container too often.
- For an extra indulgent twist, dip the honeycomb pieces in tempered dark chocolate.
Coffee caramel honeycomb is a treat that’s easy to make and absolutely delicious to eat. Serve it as a coffee-side snack, or a dessert topping.

Notes
The honeycomb toffee is a delightful drink for the rich notes of caramel and the deep undertones of coffee. When creating delicious treat, the airy texture of the honeycomb and the sticky richness of the caramel can elevate your dessert.
This is not just a recipe it is an experience that invites you to savour each bite, creating unforgettable moments with crunch. Coffee caramel honeycomb is a treat that’s easy to make and absolutely delicious to eat. Serve it as a coffee-side snack, or a dessert topping.
Few serving suggestions
Conclusion
In conclusion, the Honeycomb Toffee Caramel Recipe with Coffee must try anyone who seeking for delicious treat that is simple to make and flavourful. The caramel’s smoothie, the honeycomb’s crunch, and the coffee’s robust create a taste that can satisfy any sweet tooth. This dish is ideal for sharing with friends. So gather your materials and get indulge in a sweet adventure.