Jalapeño Corn Bread

Preheat oven to 400°.

Combine all ingredients except the cooking spray in a large bowl. Pour mixture into a 9-inch cast-iron skillet coated with cooking spray. Bake at 400° for 40 minutes or until a wooden pick inserted in center of corn bread comes out clean. Cool in pan 10 minutes on a wire rack, and remove from pan. Cool completely on wire rack.