Takoyaki is a ball-shaped Japanese snack made of a wheat flour-based batter and cooked in a special molded pan. It is typically filled with minced or diced octopus (tako), tempura scraps (tenkasu), pickled ginger, and green onion (negi). The balls are brushed with takoyaki sauce and mayonnaise, and then sprinkled with green laver (aonori) and shavings of dried bonito (katsuobushi).

Allium fistulosum, the Welsh onion, also commonly called bunching onion, long green onion, Japanese bunching onion, and spring onion, is a species of perennial plant, often considered to be a kind of scallion.