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By Mary Norwak
Published 1991
Pastry which covers a deep pie needs a tidy edge, and this is best achieved by knocking-up. This keeps shortcrust pies neat and decorates them, and it helps richer pastries to rise during cooking by opening up the edges. When the pastry is trimmed off, the knife should be held horizontally and the sides of the pie tapped with a slight upward movement forming a series of shallow cuts. This edge can be crimped or pinched between finger and thumb, or it can be fluted by holding the pastry lightly with the forefinger and thumb of one hand, pressing the pastry between them with the forefinger of the other hand.
