Creek Coffee Cookies
["2 c. butter or shortening", "2 c. sugar", "6 egg yolks", "1 c. sour cream", "1 Tbsp. vanilla", "8 c. all-purpose flour", "5 tsp. baking powder", "1 tsp. baking soda", "1 tsp. salt", "sesame seeds (optional)"]
["Cream shortening.", "Add sugar and mix thoroughly.", "Add eggs, beating well.", "Add sour cream and vanilla.", "Sift dry ingredients together and add slowly to mixture, kneading well.", "Using a small piece of dough (a little larger than a walnut), roll in your hand to any shape desired.", "Brush with a beaten egg; dip in sesame seeds.", "Bake on cookie sheet in 350\u00b0 oven for 15 to 20 minutes or until light golden brown."]
["butter", "sugar", "egg yolks", "sour cream", "vanilla", "flour", "baking powder", "baking soda", "salt", "sesame seeds"]