Thumbprint Cookies(These Are A Molded Cookie)  
["1/4 lb. butter, softened to room temperature", "1/4 c. brown sugar", "1 egg, separated", "1/2 tsp. vanilla extract", "1 c. flour", "1/4 tsp. salt", "1 c. finely chopped pecans"]
["You will need an ungreased cookie sheet."]
["butter", "brown sugar", "egg", "vanilla extract", "flour", "salt", "pecans"]