Line an 8” square cake tin with parchment paper and leave to one side.
Crush 100g of Jammie Dodgers and add them to a large bowl with 80g of Marshmallows.
Add the white chocolate to a separate heatproof bowl and melt in the microwave on 20-second bursts stirring in between until the chocolate has completely melted and is smooth.
Pour the white chocolate on top of the biscuits and marshmallows. Stir until the biscuits and marshmallows are completely coated in white chocolate.
Pour half the mixture into your cake tin and smooth.
Add the raspberry jam to a bowl and stir to make it slightly softer.
Spoon dollops of the raspberry jam onto the top of the white chocolate mixture, you can use it all or keep some for the top of the mixture.
Pour the remaining mixture into the tin ensuring that the jam is completely covered.
Finish by adding the remaining marshmallows, Jammie Dodgers and jam to the top of the rocky road.
Put the Rocky Road in the fridge for 4 hours or until the chocolate has set.
Remove from the fridge and cut into individual portions.