Coffee and Macadamia Nut Fudge

A little oil, for greasing

300ml milk

350g caster sugar

100g slightly salted butter

2 tsp strong coffee paste

75g macadamia nuts

Grease an 18cm square cake tin and base line with non-stick parchment paper.

Put the milk, sugar and butter in a heavy-based saucepan.

Heat slowly, stirring all the time, until the sugar has dissolved and the butter melted.

Bring pan to boil and boil for 15-20 minutes, stirring all the time, until the mixture reaches 115°C on a sugar thermometer or soft-ball stage (when the mixture is dropped into cold water it forms a ball which will not hold its shape).

Remove the pan from the heat and stir in the coffee paste.

Leave to cool for 5 minutes before adding the macadamia nuts.

Beat the mixture with a wooden spoon for a few minutes until it starts to thicken and the gloss disappears.

Pour into the prepared tin and leave to set at room temperature. Do not put in the fridge or a crust will form.

Once set, cut the fudge into small squares and store in a sealed container.