1. In a large mixing bowl, add all of the souvlaki ingredients and gently incorporate evenly. Loosely pack the meat mixture onto the skewers. They should hold together a little softer than a meatball.
2. Heat your Blackstone to medium-high heat and add a bit of olive oil. Cook the Souvlaki for 2 minutes per side until fully cooked.
3. In a small mixing bowl, add all of the sauce ingredients and mix evenly. Use a bit of water to thin it out if you would like.
4. To plate, place the Souvlaki onto a platter and drizzle the sauce over the tops of each. Garnish with the sliced green onions & chopped cashews and serve.