The cookies themselves can be crushed to make excellent pie crusts.
for the Notoreos
Roll out on a well-floured board to 1/8-inch thickness. Cut into rounds with a shot glass dipped in flour.
Bake in a 375-degree oven for 10 minutes.
for the Creamy Filling
French Vanilla Ice Cream
adapted from America's Test Kitchen
Place metal 8x8 pan in freezer and a large bowl containing an ice bath in the refrigerator.
Steam to175 degrees
Immediately pour into a bowl and rest in the refrigerated ice bath, stirring occasionally until quite cool. Cover and refrigerate overnight.