Heat the oil in a large straight-sided skillet overmedium-high heat until shimmering. Add the broccoli and sauté until the broccoliniis of the florets are lightly charred.
Add the garlic salt,and red pepper flakes if using. Continue to sauté until the garlic is fragrant,about 30 seconds. Add the water , cover and cook until the Broccolini isvibrant green and crisp-tender, 1 to 2 minutes.