Olie Bollen (oh-lee boh-lun) are small Dutch doughnut-style fritters, traditionally made and served as a snack or breakfast on New Year’s Eve or New Year’s Day. Posted on July 16, 2020 by Aime Haley Olie Bollen (oh-lee boh-lun) are small Dutch doughnut-style fritters, traditionally made and served as a snack or breakfast on New Year’s Eve or New Year’s Day.