In a large bowl, add the ground beef and lamb, diced onion, lemon juice, sea salt, pepper, garlic, oregano, and thyme. Mix together until combined and the spices are evenly distributed.
Divide the meat mixture into 8 portions.
Using your hands form an oblong shape with each portion of meat and wrap it around a 6-inch skewer, ensuring that it covers about half the skewer. Place on a plate and continue with the rest of the meat.
In a large grill pan, or on the grill, heat to medium/high. Add the olive oil to coat the pan.
Place the kabobs onto the grill pan and sear, cook for about 8 to 10 minutes, rotating every few minutes to ensure even cooking and grill marks on each side.
Serve with hummus, chopped cucumbers, Cherry tomatoes, and Kalamata olives.