Toss radishes with a drizzle of olive oil, salt and pepper and garlic seasoning in a bowl and set aside. Trim ends of broccolini** and lay out in an even layer on a parchment lined baking sheet. Drizzle with olive oil, season with garlic salt seasoning and toss around to coat. Squeeze lemon over broccolini, then cut squeezed lemon half into slices. Lay slices atop broccolini.