Rinse the broccolini and trim off the tough ends
Bring a pot of salted water to a boil
Blanch the broccolini for 1 to 2 minutes until bright green
Drain and transfer to a bowl of ice water to stop the cooking
Heat olive oil or butter in a skillet over medium heat
Add minced garlic if desired and cook briefly
Add the broccolini and sauté for 2 to 4 minutes
Season with salt and black pepper
Finish with lemon juice, red pepper flakes, or parmesan if desired
Serve warm