Chocolate Mint Pinwheels

These pinwheel cookies have that bakery-window look with a tight spiral of vanilla dough swirled around a mint-chocolate layer, then finished with a coating of melted mint chips on the bottom. They look complicated, but the technique is straightforward once you understand the rolling and layering.

The dough starts as one batch. Half stays plain. The other half gets melted mint-chocolate chips folded in, which will look curdled and strange at first. That’s normal. The fat in the chips resists blending fully with the butter-based dough, but it smooths out when chilled and rolled.

Chilling for a full ninety minutes is critical. Both doughs need to be firm enough to roll into thin rectangles between waxed paper without sticking or tearing. If the dough softens while you’re working, slide it back into the fridge for fifteen minutes.

Roll each dough to the same 13×9-inch rectangle. Flip the chocolate layer onto the vanilla, peel off the paper, and roll from the long side like a jelly roll. Slice thin (quarter-inch) and bake just 7 to 8 minutes. These are meant to be crisp, not chewy, so watch the clock.

The melted chocolate spread on the flat bottom of each cooled cookie adds an extra layer of minty richness and gives the cookies a professional, finished look.

Pro Tips

• Melt chips over hot, not boiling water. Too much heat seizes the chocolate and makes it grainy
• Roll both doughs to the exact same size for an even spiral. Uneven layers mean lopsided pinwheels
• Use a sharp knife to slice the log. A dull blade squishes the spiral out of shape
• Chill the log again for 20 minutes before slicing if it’s gone soft during rolling

Variations

• Use dark chocolate chips instead of mint for a classic chocolate-vanilla pinwheel
• Add a drop of green food coloring to the plain dough for a more dramatic contrast
• Sprinkle crushed candy canes over the wet chocolate coating for a holiday version