Toss trimmed broccolini in olive oil, Kosher salt, minced garlic and ground black pepper.
Transfer to a rimmed baking sheet, leaving extra oil in the mixing bowl. You can fish out chunks of garlic and just add them on top. Arrange in a single layer.
Roast for 12-14 minutes, or until broccolini is tender and vibrant green.
Remove and top with grated parmesan cheese. Serve immediately.
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