Mix all of the kebab ingredients until well combined.
Press into a sheet pan about ½-inch thick and cut into long strips using a spatula or bench scraper.
Smoke at 400°F until browned with crispy edges and the beef reaches 160°F.
Toss together the cucumber salad.
Mix all of the garlic feta ranch ingredients until smooth.
Serve the kebabs in warm pita or flatbread with the cucumber salad and a generous drizzle of the garlic feta ranch.
