Blitz the biscuits to a fine crumb - I use a food processor as this is easiest. You want the biscuits to be as fine a crumb as possible (keep the jam in the biscuits).
Melt the butter until liquid, and mix into the biscuits to create a wet sand texture.
Press the mixture into the bottom of a deep 8"/20cm springform tin. I don't line my tins, but you can if you wish!
For the Cheesecake Filling
Add the cream cheese, icing sugar and vanilla to a bowl - mix until smooth. I do this with the whisk attachment!
Pour in the liquid double cream, and whip again until thick. Alternatively, whip the cream separately and fold through the cream cheese mixture.
Add in the jam, and fold through a few times to create a swirled cheesecake mix.
Spread this onto the jammie dodger base, making sure to pack the cheesecake mix into the sides of the tin to prevent any gaps!
Set the cheesecake in the fridge for a minimum of 6 hours, but overnight is better!
For the Decoration
Remove the cheesecake from the tin carefully. I use a small knife and cake lifter to remove my cheesecakes from the base.
Whip the cream with the icing sugar to soft peaks, and pipe around the edge of the cheesecake - I use a 2D closed star piping tip.
Decorate with jammie dodgers, mini dodgers, raspberries and freeze dried raspberries!
Notes
This cheesecake will last for 3+ days in the fridge!
Always use full-fat ingredients to help your cheesecake set.
You can use mini Jammie Dodgers, or regular sized ones like I did!
If you don't want to use Jammie Dodgers for the base, you can use digestives, or shortbread, or anything else!
The Jammie Dodgers for decoration will go soft eventually so if you don't like soft biscuits, leave them off until you serve!