Ingredients butter to grease the tin 300ml milk or cream or any combination of the two 350g golden caster sugar 100g Canna Butter 1 tsp vanilla extract grated chocolate (optional) Method Grease an 18cm square cake tin. 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 to the boil and boil for 15-20 minutes, stirring all the time. When the mixture reaches the soft-ball stage (115°C on