Why you should experience Ciacco in Milan, Italy.
Ciacco is an inventive gelateria where Duomo's historic food quarter meets Stefano Guizzetti's food-science training, additive-free gelato and an experimental practice that stretches frozen desserts into gastronomy.
Set along Via Spadari near Via Torino and just steps from Cordusio, the gelateria occupies a Central Milan street long associated with specialist food shops between the Duomo and the medieval commercial core. The compact storefront keeps the visual emphasis on the refrigerated counter, where creams, sorbets and experimental flavors appear in shallow stainless-steel pans. A deliberately restrained presentation strips away elaborate decoration, allowing color, texture and ingredient combinations to distinguish one preparation from the next. Its central position also makes a cup or cone unusually easy to carry into the surrounding pedestrian streets, turning a technically ambitious product into an informal interlude during exploration of the historic center. The result is a Duomo gelateria where Guizzetti's laboratory-minded approach remains accessible through the simplest possible ritual: choosing a flavor and eating it on foot.
What you should know about Ciacco.
Ciacco is best known for Stefano Guizzetti's application of food science to gelato, an undertaking that began during his Food Science studies at the University of Parma and developed into a professional project with his brother Massimo Guizzetti, a communication designer. Stefano, born in Sovere in 1982, became fascinated with gelato at university and devoted his thesis to its chemistry before opening Ciacco in Parma in February 2013 at age 30; Milan followed the next year. His scientific work produced the project's founding “senz'altro” principle, eliminating emulsifiers, thickeners, colorants, preservatives, added flavorings and other additives, including naturally derived versions conventionally used to stabilize artisanal gelato. That technical restriction pushed Guizzetti toward proteins, plant fibers and careful balancing of water, milk and sugars, turning ingredient chemistry into the mechanism that replaced conventional stabilizing agents. Gastronomic experimentation followed: his Ricordo di un tortello translated butter, sage and Parmigiano Reggiano into frozen form and helped earn Ciacco Gambero Rosso's 2019 award for Miglior Gelato Gastronomico alongside its Tre Coni distinction. Guizzetti then developed Barricato, matured in oak barriques, and Viaggio in Cantina, whose noble-mold treatment emerged from memories of visiting a salumificio and expanded his work into controlled maturation. By 2025 his Famiglie Botaniche project was grouping ingredients through botanical relationships, producing combinations such as strawberry with kimchi and experiments involving absinthe and hay. The same scientific foundation has since expanded beyond gelato into fermentation and large leavened pastries, including panettone, turning the original university investigation into a broader laboratory for temperature, microbial activity and ingredient transformation.
Ricordo di un tortello begins with the flavor architecture of filled pasta but converts butter, sage and Parmigiano Reggiano into a frozen preparation, allowing cold temperature to reorganize ingredients normally encountered hot. Viaggio in Cantina moves toward maturation through noble mold, developing aromatic complexity over time before the finished gelato reaches serving temperature. Barricato uses oak-barrel aging to bring wood into the process, adding another treatment rarely associated with gelato production. Famiglie Botaniche approaches combination through plant relationships: strawberry and kimchi connect fruit with fermentation, and other experiments introduce hay or absinthe as aromatic components. More familiar creams and sorbets retain Guizzetti's additive-free balancing, relying on the intrinsic structure of the principal ingredients and carefully controlled proportions of water, sugars, proteins and plant fibers. The slow warming of gelato in the mouth releases aromas across changing temperatures, making melting rate and texture active parts of how Guizzetti constructs flavor.
How to fold Ciacco into your trip.
Ciacco works as the sweet endpoint for an afternoon tracing the blocks west of the Duomo through medieval sacred geography, Federico Borromeo's intellectual ambitions and the Renaissance reconstruction of Milan's civic center.
Begin at Cripta di San Sepolcro, whose lower church originated around 1030 when Milanese mint master Rozzone built a private church above the Roman forum; Archbishop Ariberto d'Intimiano consecrated it to the Holy Trinity in 1036, and Anselmo IV da Bovisio rededicated it to the Holy Sepulchre in 1100 after Jerusalem's reconquest. Ancient Verona-stone slabs from the fourth-century forum survive beneath its vaults, and Leonardo da Vinci studied the double-level building, later marking the church on his map of Milan. Continue to Pinacoteca Ambrosiana, founded in 1618 when Cardinal Federico Borromeo donated his paintings, sculptures and drawings to the Pinacoteca Ambrosiana he had established in 1607. Conceived as an educational collection connected with the academy Borromeo founded in 1620, it developed around works including Leonardo's Portrait of a Musician, Caravaggio's Basket of Fruit and Raphael's grand preparatory cartoon for The School of Athens, joining artistic study to the cardinal's larger scholarly institution. Conclude at Palazzo dei Giureconsulti, commissioned and financed by Milanese-born Pope Pius IV and begun in 1562 from Vincenzo Seregni's design around the pre-existing civic tower of the Broletto. Opened in 1654 for the Collegio dei Nobili Dottori, the building later housed Milan's stock exchange from 1808 to 1901, carrying a Renaissance project for legal administration into the city's nineteenth-century financial system. The progression moves from a medieval church planted directly over Roman Milan through Federico Borromeo's seventeenth-century union of scholarship and art into Seregni's architectural reconstruction of civic authority, compressing nearly two millennia of Milanese institutions into the streets surrounding Ciacco.
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