Preheat oven to 375 degrees.
Prepare ice water bath in a large stainless steel bowl (add cold water and ice cubes to bowl).
While oven is preheating, bring large pot of water to a boil.
Once water comes to a boil, add broccolini to pot and blanch until broccolini turns bright green (3-4 minutes).
Using tongs, remove broccolini from boiling water and place into ice water bath. Sit in ice water bath for 10 minutes. Remove and dry off.
Place cooled and blanched broccolini in large bowl and toss with garlic, olive oil and seasoning.
Place on baking sheet and roast for 10-15 minutes or until doneness of your preference.