What Is the Secret to Making Vibrant Rainbow Pizzelle Cookies?

Have you ever scrolled through your social media feed and stopped dead in your tracks at a photo of a cookie? For me, it was a batch of pizzelle. But these weren’t the familiar, delicate, pale gold cookies from my neighbor’s Christmas tins. These were a vibrant explosion of color—stripes of magenta, blue, and purple swirled together in that classic, lacy snowflake pattern. My first thought was, “How is that even possible?”