Vanilla ice cream with peanut butter cups and famous moose tracks fudge. Serves 6-8. artificial flavor added. A premium dessert by Uncle Harry's. Guaranteed Kosher if not customized. moosetracks.com. Sustainable Forestry Initiative: Certified sourcing. www.sfiprogram.org. Uncle Harry's believes that protecting the environment and the health of our forests for future generations is the role of every business. Our boxes are certified under the Sustainable Forestry Initiative (SR) program. SFI integrates the perpetual growing and harvesting of trees with the protection of wildlife, plants, soils, air and water quality. Renewable. Recycled content. Recyclable.