1. PREHEAT oven to 400°F. Unfold pastry on lightly floured surface; roll pastry out to 10-inch square. Cut into nine circles with 3-inch cookie cutter or rim of glass. Place on ungreased baking sheet. Bake 10 min. Remove to wire racks; cool completely.
2. MEANWHILE, pour milk into large bowl. Add dry pudding mix. Beat with wire whisk 2 min. or until well blended. Gently stir in whipped topping. Cover. Refrigerate 15 min.
3. CUT pastry circles horizontally in half. Spoon pudding mixture evenly into bottom halves of pastry; cover with tops. Drizzle with chocolate. Serve immediately, or cover and refrigerate until ready to serve.