Potato Options: Yukon Gold or Russet potatoes work best for creamy texture.

Extra Flavor: Add a pinch of smoked paprika or nutmeg to the sauce.

Make Ahead: Assemble in advance and bake right before serving.

FAQ

Can I use low-fat milk?
Yes, but the dish will be slightly less creamy. Whole milk gives the best richness.

Can this be frozen?
Yes, cover tightly and freeze for up to 2 months. Thaw in the fridge before reheating.

Can I make it vegan?
Use plant-based milk, vegan butter, and dairy-free cheese alternatives.