You can use either a cast iron or aluminum aebleskiver pan. (welikebali.com)
September 15 - 17 81st Annual Solvang Danish Days - Celebrate Danish heritage and culture with three parades, living history exhibits, aebleskiver breakfast, music, arts & crafts. (royalcopenhageninn.com)
My grandmother used to make aebleskivers for us — I have her recipe and her pan, but haven't tried making them gluten - free. (adventuresofaglutenfreemom.com)