PREHEAT oven to 350°F. Place cake mix, dry pudding mix, milk and eggs in large bowl. Beat with electric mixer on medium speed 2 min. or until well blended. Stir in chopped chocolate. Spoon batter evenly into 24 paper-lined medium muffin cups, filling each cup 2/3 full.
BAKE 20 to 25 min. or until toothpick inserted in centres comes out clean. Cool 10 min; remove from pans to wire racks. Cool completely.
SPREAD tops of cupcakes with frosting. Insert blue candles into tops of 9 of the cupcakes. Arrange in the shape of a menorah, elevating the centre cupcake for the shammus of the menorah. Serve with the remaining cupcakes.
serving size = 1 cupcake