Gyoza: a Chinese-style dumpling (usually pan-fried) filled with minced pork and vegetables; a popular dish in Japan (often called pot-stickers).
昨日の夕食は餃子を作った。
I made gyoza for dinner last night.
この店の餃子は皮がパリッとして美味しい。
The gyoza at this restaurant have crispy wrappers and taste great.
冷凍餃子を買っておけば、忙しい日でもすぐに食べられる。
If you buy frozen gyoza, you can eat them quickly even on busy days.