Use evaporated milk for a creamier sauce.
Add a dash of hot sauce for flavor depth.
Mix cheeses for a richer, complex taste.
Toast breadcrumbs for a crispy topping.
Undercook pasta slightly to avoid mushiness.
Use pasta water to adjust sauce consistency.
Incorporate mustard powder for extra tang.
Bake briefly for a golden, bubbly finish.
Experiment with mix-ins like bacon or jalapeños.