Mix marinade ingredients in bowl. Set aside. Thinly slice the top sirloin into ⅛” thin filets, pound out to tenderize. Add top sirloin strips to marinade and refrigerate for 1 hour.
Trim the stalk ends of the BROCCOLINI® baby broccoli, and blanch in slightly salted water to set color for about 15 seconds. Do not overcook. Drop in ice water, cool completely, and then drain well. Arrange in one layer, on a tray lined with paper towels.
Place four stalks of BROCCOLINI® baby broccoli together, flowering on opposite ends. Wrap stalks with top sirloin slices, leaving the floret ends exposed. Set aside. Continue until all is wrapped. Sprinkle with salt and pepper.
Place on a medium hot grill/char-broiler and cook both sides until top sirloin is medium rare. Then place on cutting board and slice in half. Sprinkle with sesame seeds. Serve with extra marinade as dipping sauce.