Preheat oven to 200C.
Season fish with salt and black pepper.
In a oven safe pan over medium heat, melt butter and allow to cook until it starts to brown and smell nutty. (be careful not to burn it)
Add lemon juice, honey, red pepper flakes and garlic into the pan.
Cook for 45 seconds, and scoop out half of the sauce for serving later.
Add salmon into the pan skin side down and cook for 3 minutes.
Flip, and transfer the pan to the oven to broil further 5-6 minutes.
Drizzle with the reserved brown butter sauce to serve.