Preheat oven to 350 degrees. Spray a 9x13 inch baking pan with non-stick spray. Prepare the Tahini Sauce using 2 to 3 Tbsp more water to make a thin sauce. Set aside. Place ingredients from Kifta Kabobs recipe in a bowl and mix thoroughly. Press meat mixture evenly into baking pan. Bake for 20 minutes. Remove from oven and spread Tahini Sauce on top. Place under the broiler for 5 to 10 minutes, until lightly browned.