Pesto with Genovese basil, coarse salt, garlic, Ligurian extra virgin olive oil (Taggiasco), European pine nuts (sometimes toasted) and a grated cheese like Parmigiano Reggiano or Grana Padano and pecorino sardo or pecorino romano. A proposal is under preparation by the Palatifini Association to have pesto alla genovese included in the UNESCO intangible cultural heritage list. There is a biennial international Genovese Pesto al Mortaio competition in which 100 finalists use traditional mortars and pestles as well as the above ingredients which are then assessed by 30 local and international judges. A slightly different version of this sauce exists in Provence,
Tomato sauce roux). All of these qualities make them ideal for simple and appealing sauces. In countries such as the United Kingdom, Australia, New Zealand, and South Africa, the term "tomato sauce" is used to describe a condiment similar to ketchup. In some of these countries, both terms are used for the condiment. The use of tomato sauce with pasta appears for the first time in 1790 in the Italian cookbook "L'Apicio moderno", by Roman chef Francesco Leonardi. The simplest tomato sauce consists just of chopped tomatoes cooked down (possibly with olive oil) and simmered until it loses its raw flavor. Of