1Heat oven to 375°F. Spray 8- or 9-inch square pan with cooking spray.
2In medium bowl, stir together cornbread mix, melted butter, egg and milk just until moistened (batter will be lumpy). Stir in chiles and half of the bacon and cheese. Pour into pan. Sprinkle remaining bacon and cheese over batter.
3Bake 16 to 18 minutes or until edges are golden brown. Cut into squares; serve warm.