My mothers pie crust. I have not included the baking directions as it depends upon your filling choice. Single crust.
My mothers pie crust. I have not included the baking directions as it depends upon your filling choice. Single crust.
Swapping solid margarine for softened butter alters the melting point and moisture content entirely, yielding a denser pastry that resists the classic flaking action. Achieving the correct crumb structure relies entirely on thermodynamics. When solid fat coats the flour proteins, it creates waterproof barriers. As the pastry bakes, water inside that fat evaporates, leaving pockets of empty space behind. Keeping ingredients cold prevents the fat from melting prematurely into the flour.
Working the fat into the flour requires deliberate physical action. Using two knives or fingertips breaks the margarine into distinct pieces roughly the size of small peas. If the pieces disappear completely into a yellow paste, the resulting baked crust will turn tough and bready. Chilling the mixed bowl for thirty minutes solidifies the fat fractions before hydration begins. Adding icy cold water then binds the starches without dissolving the remaining fat chunks. Rolling the chilled ball on a floured surface requires light, even pressure to prevent sticking.