I make cakes from scratch. I make ice cream from scratch. Yet, until this summer, I’d never made an ice cream cake. That all changed when I had a Saturday afternoon to kill, an excess of oranges, heavy cream and bittersweet chocolate in my kitchen, and the bowl of an ice cream maker taking up valuable space in my freezer. Perfect time to try my hand at an Orange-Bittersweet Chocolate ice cream cake. Origins of icebox desserts People have enjoyed some version of an ice cream cake since at least the 19th century. It was during this period that iceboxes became more commonplace. Filled with blocks of ice, these wooden cabinets were used to store perishable foods. Along with extending freshness and preventing spoilage, iceboxes inspired an array of frozen desserts, including a precursor to the ice cream cake, the bombe. This Victorian era treat featured a fruity custard encased in layers of ice cream and, occasionally, cookies or cake. Frozen in a spherical mold, the bombe was sliced and served with a sweet sauce. …