Preheat oven to 400 Grease 9 X 13 baking pan In large bowl mix first 5 dry ingredients In a medium bowl beat cheese corn and chilies with their liquid Stir in onion eggs milk and margarine until blended Stir into flour mixture just until flour is moist Spread batter in pan Bake 30 minutes until golden brown and toothpick in center comes out clean Makes 15 servings