Great American Chocolate Thumbprint Cookies

• 1/2 cup butter
• 23 cup sugar
• 1 large eggs separated
• 2 tablespoons milk
• 1 teaspoon vanilla extract
• 1 cup flour, unbleached all-purpose
• 13 cup cocoa powder
• 1/4 teaspoon salt
• 1 cup walnuts finely chopped
• 1/2 cup powdered sugar
• 1 tablespoon butter softened
• 2 teaspoons milk
• 1/4 teaspoon vanilla extract
• 24 milk chocolate kisses unwrapped

1. In a large mixing bowl, cream butter, sugar, egg yolk, milk and vanilla until light and fluffy.
2. Combine flour, cocoa and salt in a separate bowl; gradually add to creamed mixture, stirring until well blended.
3. Cover and chill cookie dough for one hour, or until firm enough to shape into balls.
4. In a small bowl, lightly beat egg white.
5. Shape chilled dough into 1-inch balls, dip in egg white, then roll in chopped nuts.
6. Make an indentation with thumb in center of of each cookie.
7. Bake at 350F (180C) F for 10 to 12 minutes, or until center is just set.
8. Combine the first four filling ingredients in a bowl; mix until smooth.
9. Spoon about 1/4 teaspoon of filling into each warm cookie indentation, and gently press a chocolate kiss in the center.
10. Carefully remove chocolate thumbprint cookies from baking sheet to wire racks to cool.
11. Simply delicious.

butter, sugar, eggs, milk, vanilla, flour, cocoa powder, salt, walnuts, powdered sugar, butter, milk, vanilla, milk chocolate kisses

Taken from recipeland.com/recipe/v/great-american-chocolate-thumbp-52949 (may not work)