こういう飛び道具が使えるのがソースカツ。
https://tblg.k-img.com/restaurant/images/Rvw/204229/640x640_rect_77cf73e6e3c851d712e4f2571d53a27b.jpg

同じ店のカツ丼
https://cdn.sarah30.com/reviews/photos/000/544/175/x_large/4ccd61fbec1fe1801213a70f3b20c3606f89819d.jpg