Avoid over-saturating the colors; the beauty of this piece should lie in its subtle, natural hues.
Maintain balance in the composition, ensuring the dish looks inviting but not overloaded.
Ensure an even light source to emphasize the pasta's texture without introducing overly sharp shadows.
Despite the borderless approach, ensure the Pasta Carbonara remains distinct and doesn't blur into the white space.

Adhering to this directive, the resulting watercolor should evoke the comforting warmth of a home-cooked Italian meal, captivating the viewer with the artful portrayal of a classic dish.