1.He cooks well/bad.
2.That girl cooks well, and you can learn from her.
3.It has been quite a long time since the last time I ate the dishes you cooked. Now they are still so tasty.
4.You can try the dishes she made, and they're really delicious.
5.dish一般都是以复数形式出现,常见的是cook dishes,
dish除了菜肴的意思外,还有餐盘的意思,如wash dishes就是洗盘子