Place the first 5 ingredients into a ziplock freezer bag. Shake to combine. Place Top Sirloin Steaks cubes into ziplock bag, a few at a time, and shake to coat completely. Thread 4 steak cubes onto each skewer. Grill kabobs over medium heat for 6 to 8 minutes or until done. Remove from grill; quickly roll kabobs into finely crushed pistachios. Serve immediately.