Prep : 10 min
Cook : 10 min
Ingredients
1 1/4 cups white sugar1 cup butter
3 egg yolks
1 teaspoon vanilla extract
2 1/2 cups all-purpose flour
1 teaspoon baking soda
1/2 teaspoon cream of tartar
Preparation
1.Preheat oven to 350 degrees F (180 degrees C). Lightly grease 2 cookie sheets.
2.Cream together sugar and butter. Beat in egg yolks and vanilla.
3.Add flour, baking soda, and cream of tartar. Stir.
4.Form dough into walnut size balls and place 2 inches apart on cookie sheet. Don't flatten. Bake 10 to 11 minutes, until tops are cracked and just turning color.