Gold Cake
["2 1/2 c. cake flour", "1 Tbsp. baking powder", "1/2 tsp. salt", "1/2 c. butter", "1 1/2 c. sugar", "10 egg yolks", "1 c. milk", "1 tsp. vanilla or lemon extract"]
["Sift flour, baking powder and salt.", "Cream in butter and sugar.", "Gradually beat egg yolks until as thick as mayonnaise. Add to mixture.", "Beat thoroughly. Add milk and flavoring and mix well.", "Bake at 350\u00b0 until done."]
["cake flour", "baking powder", "salt", "butter", "sugar", "egg yolks", "milk", "vanilla"]