Pre-heat your oven to 170c. Grease and line an 8 inch springform cake tin and wrap the outside with tin foil.
Making the strawberry puree: Process strawberries in a food processor until smooth, sieve to remove seeds, and pour into a pot.
Mix corn flour and water in a bowl, then pour into the pot with sugar. Heat until thickened.
Remove from heat, allow to cool in the fridge.
Crush biscuits and mix with melted butter. Press into the prepared tin to form a base.
In a large bowl, combine cream cheese, sugar, corn flour, and vanilla. Mix until smooth.
Add cooled strawberry puree and melted white chocolate, mix until combined.
Pour mixture into the tin over the biscuit base and smooth out.
Bake in a water bath for 50 minutes to 1 hour, until sides are set but center is slightly jiggly.
Turn off oven, crack door, and leave cheesecake inside for 1 hour.
Cool completely, then refrigerate to set overnight.