196 Court Street
Blue Marble serves ice cream made in Hudson Valley, NY, with organic grass-fed dairy and organic sugar. According to their site, they don't use any artificial coloring or flavoring. They also have coffee, tea, hot chocolate made from NuNu Chocolates, bagels, and baked goods from Blue Sky Bakery and Baked.
You can also visit them at their two other locations in Brooklyn:
420 Atlantic Ave.
186 Underhill Ave.