Torta 900, also spelled torta Novecento, is a layer cake consisting of chocolate sponge cake and a mascarpone, whipped cream, and chocolate filling produced in the comune (municipality) of Ivrea, Italy.

[1][2][3] In 1972, the patent for the cake was acquired by Umberto Balla for its pastry shop in Ivrea, where it is currently prepared.

[5] During the Carnival of Ivrea, an exceptionally large torta 900 is consumed.

[4] The cake is made of two very soft cocoa sponge cake layers filled with a cream made of mascarpone, whipped cream, and chocolate.

[5] The top of the cake is covered with powdered sugar and decorated with the inscription torta 900.