If you’re using sweet corn, then there is no need to add sugar. If using regular corn, you can add 1 tablespoon of granulated sugar.
You can substitute the milk and cream with half and half.
Blending a part of the corn kernels will create a thicker sauce, but if it’s not thick enough, you can add a cornstarch slurry (1 tablespoon of cornstarch mixed with 1 tablespoon of water). Mix it in and cook for a couple of minutes until the sauce thickens.
You can skip the blending if you prefer the corn kernels to keep their texture.
You can serve it as a casserole by sprinkling the top with breadcrumbs and parmesan and placing it under the broiler for a few minutes.
Storage: Store in the fridge in a sealed container for up to 3 days, or freeze for up to 3 months.