Go all out and treat yourself to these chocolate tiffin slices, full of milk and dark chocolate, raisins and biscuit. Be warned: they won't last long!

• Preparation and cooking time
  • Prep:15 mins
  • Cook:2 mins
  • plus 2 hrs setting
• Easy
• Serves 12-15

• Vegetarian

Ingredients

• 150g butter, cubed, plus extra for the tin
• 3 tbsp caster sugar
• 3 tbsp golden syrup
• 6 tsp cocoa powder
• 225g biscuits, crushed
• handful of raisins
• 110g milk chocolate
• 110g dark chocolate

Method

• STEP 1

  Butter and line a 15-20cm tin with baking parchment. In a large saucepan, melt the butter, sugar, syrup and cocoa. Stir through the biscuits and raisins.

• STEP 2

  Pour the mixture into the prepared tin and press down, then smooth the top with the back of a spoon. Microwave both chocolates in short 20 second bursts, stirring frequently, until melted. Pour them over the mixture in the tin. Use a palette knife or spoon to smooth over, so it's completely coated in chocolate.

• STEP 3

  Put the tin into the fridge and leave for about 2 hrs to set, or overnight. Run a kitchen knife under the hot tap then cut into squares.