Medium bowl, mix eggs and milk until blended add corn and muffin mix. Mix well spread corn bread batter into a 13 x 9-inch baking dish.
Spread saut?ed onions over top.
Spread sour cream over onions.
Sprinkle with cheese. Bake 35 minutes or until puffed and golden. Let stand 10 minutes before cutting into squares.
NOTE: Requested often to make for family and friends. Very good and easy to make. When we have leftovers someone always wants to take the leftovers home.