Preheat oven to 350 degrees F
Place the ginger snaps in a food processor and grind to a fine powder. Add the egg white, butter, sugar, molasses, and salt and puree until smooth.
Spread the mixture over a sheet pan lined with a silicon mat or parchment paper. Bake in the oven for 7 to 9 minutes until set. Remove from the oven, allow to cool and then break into pieces.
Fill 2 chilled float glasses 1/4 of the way with stout and add 2 scoops of ice cream per glass. Add a tablespoon of honey to each, top with the remaining stout and garnish with a piece of the tuile.