Blend the marinade ingredients until smooth. Marinade beef cubes for 30 minutes in the fridge.
Meanwhile, soak the wooden skewers for 20 minutes to avoid igniting on the grill.
Preheat your grill to high. Place skewers on the grill. Turn the skewers every minute or so to get nice grill lines on all sides. It only takes 6-7 minutes total cook time. Cook to your desired doneness.
Remove from grill and add to your Greek salad.
Salad Dressing
Mix the ingredients together well.
Greek Salad Assembly
Layer the romaine lettuce on the bottom of a large serving platter. Top with the vegetables, feta cheese, and grape leaves.
Drizzle the dressing over the salad. Top with the beef kabobs and serve immediately.