Fit two large rimmed sheet pans with parchment.
Preheat oven to 425 degrees.
Wash broccolini well.
In a large bowl combine broccolini, blood orange juice, zest, olive oil, ginger, salt and pepper.
Toss well to coat.
Divide broccolini between the 2 prepared sheet pans.
Arrange broccolini in a single layer.
Bake for 15 minutes, turning pans halfway through.
Serve hot or at room temperature.
Store any remaining broccolini in an airtight container in the refrigerator for up to four days.