Nutmeg Flats - cooking recipe

Ingredients

1 cup butter, softened
1 cup sugar
1 egg, separated
2 cups flour
1 1/2 teaspoons freshly grated nutmeg

Preparation

Preheat oven to 275. Grease a 10x15-inch jelly roll pan.
Cream butter and sugar until light and fluffy; add egg yolk and beat well. Blend in flour and nutmeg.
Turn into prepared pan, spreading evenly with fingertips. Brush top with beaten egg white.
Bake until lightly browned, about 50 minutes. Cut into bars while still warm. Store in an air-tight container.