Step 1

Preheat the oven to 400 degrees F (200 degrees C).

Step 2

Combine Brussels sprouts, olive oil, salt, and pepper in a bowl; mix to combine. Spread out on a sheet pan in a single layer.

Step 3

Roast in the preheated oven until Brussels sprouts are browned, shaking the pan every 7 minutes, about 30 minutes total. Remove from the oven.

Step 4

Heat sesame oil in a skillet over medium heat. Add brussels sprouts and cook for 5 minutes. Transfer to a bowl and mix with soy sauce and fish sauce.