crush Digestive biscuits in a plastic bag with a rolling pin
Place the cream cheese, sugar and flour in a mixing bowl and cream until light and fluffy. Beat in eggs one at a time, mixing well after each addition. Scrape bowl.
Melt 110g of the Cadburys milk chocolate. With an electric mixer on low speed, mix melted Cadburys chocolate into cream cheese mixture. Keeping electric mixer on low slowly beat in the vanilla and 125ml of cream. Blend well. Pour mixture into the prepared spring form tin.