雞蛋仔係由鬼佬的格仔餅 waffle 改良出黎所以用返 waffle 最容易明白如果想強調它是一個特別的變種可以叫 ball waffle如果想順應全球化的大趨勢可直譯 gai-daan-jai.
夾餅 is definitely "waffle".However, 雞蛋仔 is a quite unique, I've seen people referring it to "Hong Kong style waffle" or "Hong.