Instructions: * Note: Raw eggs have been known to cause food-borne illnesses. Use pasteurized egg whites for safety.

Mix nuts, powdered sugar, egg white and rum. Spread in 8-inch square cake pan lined with wax paper.

Melt chocolate in top of double boiler over simmering water. Add condensed milk and butter, stirring constantly until mixture begins to thicken, about 5 minutes. Spread over nut layer.

Chill 1 1/2 hours until firm. Cut into small squares. Store in airtight container.

This recipe yields 60 (1-inch) squares.

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