Eclair Cake is one of the easiest no-bake desserts of all-time. Graham crackers layered with a vanilla filling and chocolate frosting is reminiscent of an eclair without any of the effort.
In a medium bowl, thoroughly blend the pudding mix, whipped topping, and milk.
Arrange a single layer of graham cracker squares in the bottom of a 13×9 inch baking pan. Evenly spread half of the pudding mixture over the crackers. Top with another layer of graham crackers and the remaining pudding mixture. Top with a final layer of graham crackers.
Melt frosting in the microwave for 30 seconds. Spread the frosting over the whole cake up to the edges of the pan.