Peel bananas, slice and store in the freezer for 6+ hours.

Chop marshmallows and crumble graham crackers almost into a powder.

Add in vegan butter and stir to combine.

Using a Yonanas machine or blender, blend frozen bananas.

Mix in lemon juice and some lemon zest.

Using a bread pan, layer by first adding half of the nice cream, then half of the marshmallows and graham crackers, final layer of nice cream and final layer of marshmallows and graham crackers.

Let freeze for another 6+ hours and enjoy!