PREHEAT oven to 325F. Line a 24-cup mini-muffin tin with cupcake liners.
STIR graham-cracker crumbs with butter in a small bowl until crumbs are moist. Press 2 tsp of mixture into each liner, covering the bottom and pushing up the sides.
BEAT cream cheese with sugar in a medium bowl, using an electric mixer on medium speed, until creamy. Reduce speed to low, then add eggs, 1 at a time, beating well after each addition. Add cream, flour and vanilla until smooth.
FILL each cup with 1 tbsp cream cheese mixture.
BAKE in centre of oven for 10 min, then reduce heat to 275F. Continue baking until filling is set, 10 min. Let cool completely, 30 min.
DRIZZLE with melted chocolate and Skor bits, if desired. Keeps well, refrigerated, up to 1 day.