In a large bowl, mix the first 4 ingredients (ground turkey through salt and pepper). Form groundturkey into 4 round patties. Heat grill pan, or skillet, to medium-high heat and coat with the oliveoil before you place turkey burgers on the grill pan. Cook for 5 minutes on each side, until meatis no longer pink in the center.
In a medium skillet over medium heat, melt the ghee. To the skillet, add the onion, pepper andsea salt and freshly ground black pepper to taste. Cook for 5 minutes, until vegetables aretender.
Layer a kale leaf, turkey burger, pepper mixture, avocado and top with a second kale leaf foreach serving.