Dulse and Yellowman
Crisp, honeycombed yellowman toffee paired with salty, chewy dried dulse seaweed, the iconic Causeway Coast fairground treat.

- Prep
- 15 min
- Cook
- 20 min
- Total
- 35 min
- Servings
- 6
- Difficulty
- Medium
- Calories
- 265 kcal
Equipment
- โขheavy-based saucepan
- โขsugar thermometer
- โข20cm square baking tin
- โขgreaseproof paper
- โขballoon whisk
- โขwooden spoon
Nutrition
Per serving, approximate
- Calories
- 265 kcal
- fat
- 6 g
- carbs
- 56 g
- fibre
- 1 g
- protein
- 1 g
- calories
- 265 kcal
Instructions
- 1
Line a 20cm square baking tin with greaseproof paper and lightly grease the surface.
- 2
Add the brown sugar, caster sugar, golden syrup, butter, vinegar, and water into a heavy-based saucepan.
- 3
Heat gently on the hob over low heat, stirring constantly until all the sugar crystals dissolve completely.
- 4
Increase the heat to medium and bring the syrup mixture to a steady rolling boil without stirring.
- 5
Boil until the sugar thermometer reaches 150C, which is the hard-crack stage.
- 6
Remove the saucepan immediately from the heat source onto a heatproof worktop.
- 7
Tip in the sifted bicarbonate of soda and whisk vigorously for five seconds until pale and foaming.
- 8
Pour the rising mixture instantly into the prepared baking tin without scraping the saucepan sides.
- 9
Leave the yellowman to cool and harden fully at room temperature for at least two hours.
- 10
Break the crisp toffee into irregular shards with a rolling pin or small toffee hammer.
- 11
Serve the sweet yellowman chunks on a platter alongside generous handfuls of chewy dried dulse.
Chef's tips
Watch the sugar thermometer carefully as the syrup approaches 150C, because the temperature climbs rapidly towards the end. Do not stir the bubbling sugar syrup once boiling begins, or the mixture may crystallise and turn grainy. Sifting the bicarbonate of soda beforehand prevents bitter, unmixed pockets of soda in the honeycomb.
Ingredient substitutions
- unsalted butter โ plant-based block butter for a dairy-free alternative
- white vinegar โ cider vinegar or fresh lemon juice
Storage
Store the yellowman shards in an airtight tin lined with greaseproof paper and keep the dulse in a separate dry paper bag at room temperature for up to two weeks.
Reheating
Yellowman is served at room temperature and must not be heated or refrigerated, as moisture will cause the honeycomb to dissolve.
Common mistakes to avoid
- โขScraping the bottom and sides of the boiling pan into the tin, which causes dense, deflated toffee
- โขRemoving the syrup from the heat before 150C, resulting in sticky, chewy toffee rather than brittle honeycomb
- โขWashing the dried dulse in fresh water, which removes its natural sea salt coating and ruins the crisp texture
Serving suggestions
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