Favorite Ice Box Cookies

Ice box cookies are the original make-ahead American cookie, perfected before refrigerators were common and cookie dough waited in actual ice boxes overnight. Today the technique still earns its keep: shape the dough into a log, chill until firm, then slice thin coins and bake on demand whenever the cookie craving hits.

The heavy hand of dark brown sugar (a full pound!) is what defines this cookie. Brown sugar’s molasses content gives a deep caramel-butterscotch flavor that plain white sugar simply cannot match, while keeping the cookies tender rather than crisp-hard. Finely chopped walnuts fold through for nutty crunch in every bite.

Once sliced thin (the directions specify the diameter and thickness of a half dollar), these bake fast at moderate heat. Watch them carefully. The directions warn they tend to burn easily, and the high sugar content makes them go from done to disaster in seconds. Pull when just turning golden at the edges.

Pro Tips

• Wrap the dough log tightly in plastic wrap and chill at least 2 hours, ideally overnight. The colder and firmer the log, the cleaner the slices.
• Use a serrated knife with a sawing motion for slicing, not a sharp chef’s knife. Serrated knives glide through walnuts without crumbling them.
• Bake on parchment-lined sheets for easy release. The high sugar content makes these stick aggressively to ungreased pans.
• The dough log keeps in the fridge for a week or in the freezer for 3 months. Slice and bake fresh cookies anytime.

Variations

• Substitute pecans, hazelnuts, or chopped almonds for walnuts based on preference.
• Roll the chilled dough log in coarse sugar before slicing for a sparkly sugar-rimmed cookie edge.
• Add 1 teaspoon of cinnamon and ¼ teaspoon of nutmeg for a spiced version that pairs beautifully with the brown sugar.