A so far an untried recipe; I found this in a old cookbook that's been on my shelf for years. I love this type of cookie and hope to make it soon. Don't use anything except real butter. Prep doesn't include chill time.
Submitted for ZWT4
Cream butter and sugar, beat well then add yolk and 1 egg; mix just until flour is blende.
Cover dough with plastic wrap, chill for 45 minutes.
Pinch off walnut-size pieces of dought and shape into balls with floured hands. Put on ungreased cookie sheet, with a clean pencil or finger make a deep depression in the center of each ball. Beat remaining egga nd brush cookies with it, sprinkle with nuts.
Bake for 15 minutes or until golden, cool then fill depression with jam.