Italian chestnut flour cake (Castagnaccio)

How to make Italian castagnaccio

Under the name of Castagnaccio we find a wonderful cake very popular -and one hundred percent characteristic- of the Italian cuisine typical of Tuscany, as well as other areas of Italy such as Piedmont, Emilia, Liguria and the area of ​​the Apennines. It basically consists of a chestnut flour cake , hence it is considered a typically autumnal dessert, since the ideal is to enjoy it and taste it between the months of November and the end of December, when the chestnut flour that we find is fresh (although nowadays it is possible to acquire it throughout the year, so we can prepare it at any time).

Among the ingredients that are used for its preparation we must mention not only the chestnut flour, but also other essentials such as pine nuts, nuts and sultanas. As you will discover if you dare to prepare it, it is one of those seasonal sweets whose final result and taste you will love.


  • 300 g of chestnut flour
  • 5 tablespoons of sultanas grapes
  • 5 tablespoons pine nuts
  • 3 tablespoons olive oil
  • 7 dl of water
  • Nuts
  • a pinch of salt

How to make Castagnaccio (chestnut flour cake)

  1. Heat the water a little and, when it is warm, put the sultanas in soak and reserve.
  2. In a bowl put the chestnut flour and water, and undo the flour a little. Then amalgamate with the help of olive oil and a pinch of salt, and mix well until you get a homogeneous, smooth and rather fluid mixture.
  3. Spread a round baking dish (or bake it with baking paper), pour the dough and let it sit for about half an hour. After this time drain well and dry the grapes, spread them over the dough and do the same with nuts and pine nuts. Add also a spoonful of olive oil.
  4. Cook in the oven for 40-45 minutes at 200 ºC, until the surface has turned not dark. Once you reach this point it will be ready. Remove from oven with care not to burn, and remove mold when it is already cold.

How to make chestnut flour cake

Although the recipe we propose is partly traditional, the truth is that there are those who make it without nuts, add sugar or even make a kind of rosemary sauce and add it to the dough. It is also possible to include other ingredients such as fennel seeds, orange peel or dried fruit (such as dried figs and raisins).

With what can we accompany the chestnut flour cake or Castagnaccio?

In Italy it is common to accompany castagnaccio with chestnut honey or cottage cheese. It is also common to serve it accompanied by certain typical Italian drinks, such as vin santo (Italian sweet wine) or novello wine.

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