Bonfire Toffee

Bonfire Toffee Recipe

Bonfire Toffee Recipe

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Prep Time: 5 mins

Cook Time: 15-25 mins

Yield: 500g toffee

Authentic tasting bonfire toffee. Rich and deep molasses taste from both the sugar and the black treacle. Perfect treat for enjoying around the bonfire.


  • 450g (approx. 2 cups) dark brown sugar
  • 125ml (approx. 7 tbsp) boiling water
  • ¼ tsp cream of tartar
  • 115g (approx. 5.5 tbsp) black treacle (molasses)
  • 115g (approx. 5.5 tbsp) golden syrup (light corn syrup), see notes.


  1. Line the base and sides of an A4 sized tin with non-stick parchment and then grease it really well.
  2. Put the sugar and boiling water in a heavy bottomed large pan and heat gently until the sugar is dissolved, do not stir the mixture at any point instead tilt the pan if you need to move it around.
  3. Weigh out your remaining ingredients, if you put them in a really well greased jug they will be much easier to pour out. Once the sugar has dissolved add all the ingredients and pop the sugar thermometer in, you can use the thermometer to give it a quick swirl but try not to mix it too much.
  4. Bring to the boil and boil until you reach soft crack on your thermometer (270℉/140℃) This may take up to 30 minutes, be patient and do not leave the pan unattended as it can change quickly. As soon as it reaches the temp, tip it into your tin and leave it to cool.
  5. Once cool remove it from the tin a break up with a toffee hammer or rolling pin. Store in an airtight tin or wrap up in boxes or cellophane bags to give as gift.


  • Black treacle is very similar to liquid Molasses in the US. However, for an authentic recipe, golden syrup should be used and not light corn syrup. Golden syrup can now be found in most US supermarkets [or so I hear].
  • TIP: To easily clean your pan and thermometer after use, fill with hot water and bring to the boil. This will melt any remaining residue making it easy to clean after.

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  1. says

    I’ve not heard of bon fire night – but with a recipe as good as this, I will for sure be celebrating! I love that you have the recipe conversion for me! I love hard candy and this is one I’ve not tired, thanks for the recipe!

  2. says

    This Bonfire Toffee looks so delicious! Thanks for sharing this recipe on our Strut Your Stuff Saturday! We are so glad you dropped by and hope you’ll be back with more great recipes. -The Six Sisters

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