Complex sentence: Tomatoes, which came to Europe from the New World via Spain, were initially prized in Italy mainly for their ornamental value (see below), but from the 19th century tomato sauces became typical of Neapolitan cooking and, ultimately, Italian food in general.
Split into simpler sentences: Tomatoes, which came to Europe from the New World via Spain, were initially prized in Italy mainly for their ornamental value (see below). From the 19th century tomato sauces became typical of Neapolitan cooking and, ultimately, Italian food in general.