Chocolate Eclair Cake 1 Large Box of Jello Vanilla Instant Pudding Milk Graham Crackers Cool Whip Chocolate Icing Mix pudding and cool whip. Microwave frosting for about 40 seconds. Layers in 9x13 inch pan: graham crackers (on bottom of pan) pudding and cool whip mixture graham crackers pudding and cool whip mixture Layer of frosting Refrigerate overnight.