Bring water to a boil in a saucepan.

Add salt and spaghetti to the sparkling water and cook according to the instructions.

When the spaghetti has reached the desired level of hardness, strain and place on a plate.

Stir the pesto with 2 tablespoons of pasta water until creamy, mix with the pasta and sprinkle with cheese. If you want, you can spread fresh pepper on it. Good Appetite!