Translation of "Stuffing" in Japanese

Tom was stuffing his face with yummy cake.

トムったらね、美味しそうなケーキをガツガツ食べてたのよ。

Stuffing her cheek pouches with ten percent of her body weight.

‎ほお袋の中身は ‎体重の１割にもなる

Gyoza stuffing? I made some gyoza at home but, possibly because I didn't have enough dough, I had some of the filling left over.

ぎょうざの具のあまりは？餃子を家で作りましたが、皮が少なかったせいか、具が少し余ってしまいました。