Preheat oven to 400. Spray an 8-inch-square baking pan with cooking spray or line 12 muffin cups with paper liners.
Combine corn meal, flour, sugar, baking powder and salt in a medium bowl. Combine milk, oil and egg in small bowl; mix well. Add milk mixture to flour mixture; stir just until blended. Pour into prepared pan.
Bake for 20 to 25 minutes (square pan) or 15 minutes for muffins or until wooden pick inserted in center comes out clean. Serve warm.