Appears in Cook's Illustrated September/October 2018
Passengers can’t get enough of Delta Air Lines’ in-flight snack of Biscoff, the commercial version of this Belgian confection. We took it to even greater heights.
Speculoos are Belgian cookies with a crisp, light, open-crumbed texture and a blend of caramelized sugar and warm spice flavors. To achieve the appropriate texture, we rolled the dough thin so it would bake up dry and crisp, used only enoug...