Begin layering the graham crackers in the bottom of a 9 X 13 pan; breaking the crackers as necessary to fit.
Spread half of the pudding/Cool Whip mixture on top of the first layer of graham crackers.
Add another layer of graham crackers on top of the pudding mixture, followed by the rest of the pudding mixture.
Top with one final layer of graham crackers.
How to Make the Homemade Chocolate Ganache
Melt the chocolate squares and the ¼ cup of butter in the microwave. Starting at 30 second intervals; stirring after each time until the chocolate is completely melted.
Stir in the 1 ½ cups of powdered sugar and the remaining ¼ cup milk.
Make sure the chocolate mixture is smooth before spreading it on top of your pudding pie.
Refrigerate the pie for up to 4 hours or longer.
Notes
Make sure you refrigerate the recipe so it sets completely before serving.