Neapolitan pizza and pizza Margherita DOP made with tomato, buffalo mozzarella from Campania, basil and extra virgin olive oil. The pizza napoletana is a Traditional Speciality Guaranteed (TSG) product in Europe. The TSG certification attests that a particular food product objectively possesses specific characteristics which differentiate it from all others in its category, and that its raw materials, composition or method of production have been consistent for a minimum of 30 years. Neapolitan pizza Neapolitan pizza (Italian: "pizza napoletana") is a style of pizza made with tomatoes and mozzarella cheese. It must be made with either San Marzano tomatoes or Roma tomatoes,
San Marzano Oliveto returned to Asinari control. It was subsequently transformed into a country residence. The town hall dates from 1889. It is a multipurpose building that houses local government offices, a primary school, and the post office. The Parish Church of San Marziano was built in classic Renaissance style with a neoclassical nave, presbytery and choir. Located in front of the castle, it was founded in the thirteenth century, enlarged from 1758 to 1763, and restored in 1843. The economy of San Marzano Oliveto is based on agriculture. The arable land constitutes 75% of the total area; about 300 people are engaged