In a pot on medium heat, add water and bring it to a boil. Then add the salt and pasta. Cook pasta as per the packet instructions.

To make the white sauce. In a medium sauce pan on low heat, add the butter and let it melt. Slowly add the flour bit by bit. Keep stirring continuously until a paste forms. Continue cooking and stirring for a couple more minutes. Now add the milk very gradually. Stir gently until it develops into a smooth consistency. Add the grated cheese bit by bit along with a sprinkle of grated Parmesan (optional).

Transfer pasta into a serving bowl (pasta bowl) and sprinkle over black pepper and breadcrumbs (optional). Serve and eat immediately while hot.