Preheat oven to 400 degrees.
Grease bottom and sides of 8 x 8x x2 square pan or cast iron skillet.
Beat milk, butter and egg in large bowl with wire whisk.
Stir in remaining ingredients all at once just until flour is moistened (batter will be lumpy).
Pour into pan.
Bake for 20-25 minutes or until golden brown and toothpick inserted in center comes out clean.