" Pastry-making, as every amateur baker fears, is as much about technique as ingredients. The rationale behind the well-known advice to keep the hands, implements and kitchen cool while making pastry, to use minimal water and to handle it lightly is obvious, now that we understand the process. Cool handling lengthens the time that the fat in the dough stays solid; using minimum amount of water reduces the gluten content and also allows the dough to be crisper; minimal handling also reduces the gluten, so we do not knead pastry dough as we do bread. "

― , Pie: A Global History