Heat the sesame oil on medium-high. Add broccoli, season with salt and pepper.
Cook, stirring occasionally, 1 to 2 minutes, or until slightly softened.
Add garlic, cook, stirring occasionally, 30 seconds to 1 minute. Add water and cook, stirring occasionally, 3 to 5 minutes, until water is cooked off and broccoli is bright green.
Transfer to a bowl and wipe out the pan.