One piece of this NO BAKE Peanut Butter Eclair Cake won’t be enough! It’s an easy recipe using Chocolate Graham Crackers as a base with vanilla pudding mix and chocolate peanut butter cups. Graham Crackers are a digesive biscuit. Something you would have with a tea or coffee. In Australia it would be a ‘Marie’ Biscuit. We have a homemade Graham Crackers Recipe here – Be sure to scroll our page and check out the Chocolate Eclair Cake too.