Almond Shortbread Bars
Source: Land O Lakes     

Ingredients:
2 c All-purpose flour
1 c Sugar
1 c Butter -- softened
1 Egg -- separated
1/4 t Almond extract
1 tb Water
1/2 c Almonds -- chopped

Instructions
Heat oven to 350ºF. In large mixer bowl, combine flour, sugar, butter, egg yolk and almond extract. Beat at low speed, scraping bowl often, until particles are fine, 2-3 minutes. Press on bottom of greased 15x10x1-inch jelly-roll pan. In small bowl, beat egg white and water until frothy; brush on dough. Sprinkle nuts over top. Bake for 15 to 20 minutes, or until very lightly browned. Cool completely. Cut into bars. Makes about 2 1/2 dozen bars.