Nun's Farts

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Synthesised from Google · Yelp · Reddit · 3 food blogs · Updated August 2026

The story the reviews tell

Nun's Farts are a French Canadian pastry built from the pragmatic foundation of leftover pie dough — layered thin with butter and brown sugar, rolled, sliced, and baked until the edges catch and caramelize. The name itself, *pets de sœur*, arrives with the dish's history: nuns served these in Quebec and Acadia Catholic schools, and the irreverent title stuck. They appear reliably on réveillon tables at Christmas, a modest, butter-brown sweet that tastes of efficiency and tradition.

What makes this version distinct

Nun's farts (French: pets de sœur) is a French Canadian dessert that is made from pie dough; often from left over Tourtière dough, that is layered with butter and brown sugar, then rolled, sliced, placed in a pan, covered with additional brown sugar, and finally baked. It is called Pets de Soeur (lit. "Nun's Farts") as it was served by nuns at Catholic schools in some parts of Quebec and Acadia. In Quebec and French-speaking Canada, they are often served during the Christmas holidays and may be served as part of a réveillon, a family gathering on Christmas Eve. Variations may replace the brown sugar with molasses, caramel sauce or maple syrup; however, this is not common nor traditional.

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