The ingredients are onions and a pork cutlet, which are cooked with the warishita stock (the basic seasoning in Japanese cuisine prepared with soup stock, sugar, and soy sauce) and finished with beaten eggs poured over it.
卵とじカツ丼の具は、玉ねぎとトンカツを割り下（出汁と砂糖と醤油で作る日本料理の基本的な調味料）で煮て、溶き卵でとじたものである。