1/2 c  Butter
1/4 c  Packed brown sugar
1    Egg, separated
1/2 ts Vanilla
1 c  Flour
1/4 ts Salt
Finely chopped nuts
1 cn Vanilla frosting
M&M peanut candies

Blend butter and sugar; stir in egg yolk and vanilla. Sift flour and salt
into bowl; mix well. Chill 1 hour. Roll into 1 inch balls.

Dip into slightly beaten egg white. Roll in nuts. Place 1 inch apart on
Cookie sheet.

Bake 350-degrees F. 5 minutes. Press thumb gently in center of each; bake
5 minutes longer. Cool. Fill with frosting. Garnish with one peanut M&M
on each cookie.