The restored stained-glass windows project dazzling patterns of color across the nave. “No one alive has seen the cathedral like this,” said the Rev. Olivier Ribadeau Dumas, Notre Dame’s rector.

That’s why we adorn them in all the sprinkles, icings, and colorful toppers we can around the holidays. For less mess, but just as much color, try these Stained Glass Cookies. They start with a tender ...