1 c. butter
1 c. sugar
1 egg yolk
2 c. flour
1 1/2 tsp. cinnamon
Sliced almonds
Rock sugar

Cream butter, sugar and egg yolk. Add flour and cinnamon. Pat down thin on cookie sheet. Work it out with fingers. Brush with unbeaten egg white. Sprinkle with almonds and sugar. Bake 1/2 hour, 300 degrees. Cut in squares when cool.