Season both sides of the steak with black pepper and salt.
2.
Place the steak, spring onion, garlic, and butter into a vacuum bag, seal tightly, and remove the air.
3.
Put the sealed bag into a container filled with water. Cook at about 60°C until medium (around 50% doneness) using the [product]WiFi Smart SOUS VIDE PRO Cooker[/product].
4.
Once cooked, take out the steak and pan-sear both sides until lightly browned.
**Information provided is for reference only. Actual cooking time and temperature are subject to food portion and personal preference