Combine eggs and sugar in top of a double boiler; beat well. Stir in lemon rind and juice. Dissolve cornstarch in water; add to egg mixture, mixing well. Stir in wine.
Place over boiling water, and cook, stirring constantly, 20 minutes or until mixture thickens. Remove from heat; cool to room temperature. Cover and refrigerate. Serve chilled over pudding.
Oxmoor House Homestyle Recipes