Barreiro Butter Bun
Also known as: Barreiro Butter Bun · Barreiro Giant Buttercream Bun
Barreiro's giant sweet bun, soft and split by a band of buttercream.
- Origin
- Barreiro · South Bank of the Tagus
- Place
- Barreiro · South Bank
- Region
- Lisbon
- Category
- Cakes & Sweet Breads
- Season
- Year-round
- Evidence
- Well documented
Bola de Manteiga do Barreiro is a round, tall sweet bun, far larger than an ordinary individual pastry. Its soft brown dome is split across the middle and given a generous layer of pale buttercream, then finished with an irregular cloud of icing sugar. A mini version also exists, although the almost excessive scale of the so-called "bola grande" is central to its identity.
Despite the name, it is neither a solid ball of butter nor a Portuguese Berlin doughnut: the dough is oven-baked, soft and light, while the cream forms a clearly visible band between the two halves. It is eaten for breakfast or as a snack, large enough to share and bound to the everyday memories of several generations in Barreiro.
- sweet-bun dough (house formula)
- cream whipped into buttercream
- icing sugar
Soft, lightly sweet dough with a toasted note, contrasted by a thick, cool and rich band of buttercream; icing sugar adds sweetness without masking the bun.
The standard version is deliberately large and can be shared; several makers also sell a mini version. The amount of cream, darkness of the dome and quantity of icing sugar vary between producers.
In Barreiro. Nova Moderna announced the return of the former Pastelaria Moderna recipe in March 2026 at Rua Miguel Bombarda 143. The tradition is also found at other local bakeries, including Mafraria, Transmontana, Tabuense, A Vida é Bela and Nortejo; check opening times and availability before visiting.
Espresso or a milky galão, whose bitterness balances the buttercream and the pastry's generous size.
Barreiro municipality documents that Pastelaria Moderna was founded on 31 October 1970 by António Pereira and the brothers João and Augusto Raimundo. The shop popularised Bola de Manteiga, producing about 400 per weekday, 800 at weekends and more than one thousand on winter Sundays. The recent claim that the recipe came from the vanished Pastelaria do Ti Augusto is local journalistic research and does not appear in the municipal record.
When Moderna closed at the end of 2025, other pastry shops across the municipality continued making butter buns. In March 2026, Daniel Filipe Vargues—a pastry chef at the former bakery for 24 years—opened Nova Moderna with the stated intention of reviving the original recipe. Continued production by several shops shows that the sweet has moved beyond one business and now forms part of Barreiro's identity.
Well documented
Identity supported by institutional, specialist or corroborating sources.
- cm-barreiro.pt/wp-content/uploads/old_site/writer_file/document/1023/pastelariamoderna.pdf (opens in a new tab)
- moderna.pai.pt/bolas-de-manteiga (opens in a new tab)
- newinbarreiro.nit.pt/comida/pastelaria-nova-moderna-abre-este-sabado-para-recuperar-a-original-bola-de-manteiga (opens in a new tab)
- dn.pt/arquivo/diario-de-noticias/o-que-e-que-o-barreiro-tem-alem-do-desporto-da-bola-de-manteiga-e-um-paredao-rejuvenesceu-16759032.html (opens in a new tab)
- tasteoflisboa.com/pt/blog/barreiro-travel-guide-for-food-lovers/ (opens in a new tab)
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