Thumbprint Cookies - cooking recipe

Ingredients

1 c. margarine, softened
2 egg yolks
2 1/4 c. flour
1/2 c. finely chopped pecans (optional)
3/4 c. sugar
1/2 tsp. vanilla
1/2 tsp. salt

Preparation

Cream margarine; gradually add sugar, beating well until light and fluffy.
Add egg yolks, one at a time, beating well after each addition.
Stir in vanilla.
Combine flour and salt; add to creamed mixture, mixing well.
Add pecans.