Preheat the oven at 425F. Cube the butter on top of fish and bake for 20 minutes. You know it is done when you smell the lemony rosemary in your kitchen.

• 烤箱欲热425F。奶油切小块放在鱼上，进烤箱烤20分钟。如果你的厨房散发出柠檬和香料味，你就知道鱼烤好了。