Preheat oven to 325°F, line pan with parchment.
Mix crust ingredients, press into pan, bake 10 mins.
Beat cream cheese until smooth, add sugar, eggs, vanilla.
Blend in white chocolate, sour cream, flour.
Cook raspberries with sugar, cornstarch, lemon juice until thick. Strain seeds.
Spread filling over crust, spoon raspberry mixture, swirl with knife.
Bake 28–32 mins until almost set, cool completely.
Chill 4 hours before cutting into bars.