Lightly grease a 20cm springform tin with sunflower oil and line the base with baking paper.
Crush the digestive biscuits into fine crumbs.
Melt the butter and mix with biscuit crumbs and cinnamon. Press into the base and chill for 30 minutes.
Slice 150g strawberries in half and arrange around the edge of the tin. Chop the rest into small pieces.
Melt the white chocolate gently and let it cool slightly.
Beat cream cheese, vanilla, lemon zest, and honey until smooth. Stir in chopped strawberries.
Whisk double cream until soft peaks form.
Fold melted chocolate into the cream cheese mixture, then gently fold in the whipped cream.
Spoon the filling into the tin and smooth the top carefully.
Cover and chill overnight until set.
Decorate with extra strawberries before serving.