1. Preheat oven to 425°.
2. Combine all ingredients except cooking spray in a large bowl. Pour batter into an 8-inch square baking pan coated with cooking spray. Bake at 425° for 20 minutes. Remove from oven; coat top of corn bread with cooking spray. Return to oven; bake 3 minutes or until a wooden pick inserted in center comes out clean and corn bread is golden. Serve warm, or cool completely in pan on a wire rack.