1Brush griddle or skillet with vegetable oil or spray with cooking spray; heat griddle to 375°F or heat skillet over medium heat.
2In large bowl, stir Bisquick mix, cornmeal, milk and eggs with wire whisk or fork until blended. Stir in cheese, corn, chiles and chili powder. Pour batter by slightly less than 1/4 cupfuls onto hot griddle; spread slightly.
3Cook until edges are dry. Turn; cook other sides until golden. Serve with sour cream, salsa, lettuce and olives.