Add frozen corn to a pot with milk and cream mixture
Add sugar, salt, and white pepper to the corn mixture
Mix melted butter with flour to create a roux
Cook the corn mixture on medium low for about 10 minutes
Add some of the cream mixture to the roux and mix well
Add the roux mixture to the corn and stir to combine
Increase heat to medium high and cook for 5-10 minutes until thickened
If making ahead, cool and refrigerate until ready to bake
Transfer to a baking dish and cover with Parmesan Reggiano
Bake at 350 degrees for about 20 minutes until golden brown on top
Could add cayenne for a kick
