Thumbprint Cookies - cooking recipe

Ingredients

1/4 c. soft shortening
1/4 c. soft butter
1/4 c. brown sugar
1 egg yolk (save white)
1/2 tsp. vanilla
1 c. sifted flour
1/4 tsp. salt
3/4 c. finely chopped nuts
1 egg white

Preparation

Note:
Recipe may be doubled or tripled.