Mix together matzo meal, baking powder and salt. Rub in margarine until it resembles fine breadcrumbs. Stir in egg to form ball of dough, adding a few drops of ice water if needed. Use as required. NOTES : _So This Is Kosher_ by Ann Kaye and Hetty Rance; Ward Lock Ltd, London: 1986 Recipe by: Ann Kaye and Hetty Rance Posted to MC-Recipe Digest V1 #535 by "Master Harper Gaellon" <gaellon@inch.com> on Mar 22, 1997