Set grill to medium-high heat.
season both sides of steak with minced onion, garlic powder, salt, & pepper
Drizzle potatoes with olive oil.
Season potatoes with rosemary, salt, and pepper.
Place potatoes on STOK Vegetable tray insert.
Allow potatoes to cook for approximately 30 minutes.
About 15 minutes into cooking the potatoes, add the steak to the grill gate.
Allow steak to cook for about 9-11 minutes. (or desired style)
Remove from grill & enjoy!