Line a muffin tin with 12 paper liners
Melt 2T butter and mix with the oreo crumbs. Press into the bottoms of 12 cupcake liners.
Add 1/4tsp. jam in the center of each bottom. Chill in fridge while doing the next step.
Melt in microwave: the white chocolate, 1/4c. cream, 1T. butter.
Spoon on top of the jam and freeze tray 10 minutes.
Melt the semisweet chocolate, rest of the cream and the last T. butter in the microwave.
Spoon over the white chocolate layer.
Top with sprinkles or candies or both.
Refrigerate an hour. Eat up!