Add a splash of truffle oil for a gourmet touch.

Use smoked gouda or gruyere for a bold flavor.

Blend cream cheese into the sauce for extra creaminess.

Incorporate a dash of Dijon mustard for tangy depth.

Sprinkle in nutmeg to enhance the cheesy richness.

Mix in crispy bacon bits for a savory crunch.

Top with herbed breadcrumbs for added texture.

Stir in caramelized onions for a sweet, savory twist.

Add a splash of hot sauce for a subtle kick.