Cook bacon in a skillet until crispy and drain on paper towels.
Leave 1 T. bacon drippings in the pan and discard the rest.
To the drippings, add the corn and onions.
Cook about 5 minutes stirring often.
Add the cream cheese and milk and stir to melt/incorporate.
Add scallions, salt and pepper.
Sprinkle bacon on top.
Serve immediately or cool and refrigerate overnight.
To reheat, bake at 325 for 15-20 minutes.