Thumbprint Cookies

1/3 cup brown sugar
1/2 cup (1 stick) butter
1 egg yolk
1/2 teaspoon vanilla extract
1 cup flour
1/4 teaspoon salt
Maraschino cherries 

Cream together the brown sugar, butter, egg yolk and vanilla extract. Stir in flour and salt. Roll into small balls. Dip in slightly beaten egg white. Roll in 3/4 cup chopped nuts. Bake at 375 degrees F for 5 minutes on an ungreased cookie sheet.

Remove from oven and indent each cookie with your thumb. Top with 1/2 maraschino cherry. Bake 8 to 10 minutes longer.

Makes about 36.