Combine all of the ingredients for the graham cracker crust and stir together. It will be crumbly.
Line a muffin pan with liners and evenly divide the graham cracker mixture between 14 cups. Use a ⅓ measuring cup to press the graham cracker into the bottom of the liner to make a firm layer.
Melt the white chocolate in the microwave or over a double broiler and allow to come to room temperature.
In a bowl, beat the cream cheese and butter until smooth.
Add the white chocolate, sour cream, maple syrup, ginger, cinnamon, nutmeg, cardamom, and salt and beat until fluffy.
Evenly distribute the filling between the 14 cups and spread it out into an even layer.
Place in the freezer for 15 minutes, then refrigerate for 30 minutes to an hour to fully set.