Pour oil in a 9-inch cast-iron skillet, tilting to coat sides of skillet. Place in a 400 deg oven for 5 minutes; set aside.
Combine flour and next 5 ingredients in a bowl; stir well. Make a well in center of mixture. Combine yogurt and next 4 ingredients; add to dry ingredients, stirring until dry ingredients are moistened. Add hot oil to batter; stir until well combined. Pour batter into skillet.
Bake at 400F for 25 minutes or until wooden pick inserted in center comes out clean.