Pre-heat the oven to 350°F.
Line a 9 x 13-inch baking with with parchement paper.
In a medium bowl, mix the crushed ginger snap cookies with the melted butter until fully combined.
Press the mixture evenly into the bottom of the prepared pan.
Place in the pre-heated oven and bake for 8 minutes.
Remove from the oven (do not turn off the oven as it is needed later to bake the dream bars), place on a wire rack and allow it to cool.