puff pastry

food

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In baking: Entrapped air and vapour
The expansion of such puff pastry as used for napoleons (rich desserts of puff pastry layers and whipped cream or custard) and vol-au-vents (puff pastry shells filled with meat, fowl, fish, or other mixtures) is entirely due to water-vapour pressure.
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In baking: Puff pastry
Puff pastry, often used in French pastries, is formed from layered fat and dough. The proportion of fat is usually high, rarely less than 30 percent of the finished raw piece. The dough should be extensible but not particularly elastic; for this reason…
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