Røde pølser a classic danish snack or streetfood, commonly served with remoulade, mustard or ketchup, fried onions and pickled sliced cucumber. Since hot dog stands are ubiquitous in Denmark some people regard røde pølser as one of the national dishes.
"Flødeboller from Fru Ronne in Aalborg. 'Flødeboller' are chocolate-coated marshmallow treats, created in the early in Denmark. Closest thing I can find in the States are Tunnock's Tea Cakes from Scotland.