Billy Goat Cookies
["1 c. butter", "1 1/2 c. sugar", "3 egg yolks", "1 tsp. vanilla", "1 tsp. soda", "1/2 tsp. salt", "1 tsp. cinnamon", "1/4 tsp. cloves", "2 Tbsp. sour milk", "1 lb. nuts", "1 lb. dates", "2 1/2 c. sifted flour"]
["Cream butter and sugar well.", "Add egg yolks and vanilla.", "Beat at medium speed for 2 minutes.", "Sift flour, soda, salt and spices. Add dry mixture to egg mixture with sour milk.", "Blend well.", "Add nuts and dates.", "Drop by teaspoon on greased cookie sheet.", "Bake at 275\u00b0 for 20 minutes.", "Yield:", "7 to 8 dozen."]
["butter", "sugar", "egg yolks", "vanilla", "soda", "salt", "cinnamon", "cloves", "sour milk", "nuts", "dates", "flour"]