Old-Fashioned Sugar Cookies
["1/2 c. butter or margarine", "1 c. sugar", "1 egg or 2 egg yolks, well beaten", "1/2 tsp. vanilla", "1 1/2 c. sifted all-purpose flour", "1 tsp. baking powder", "1/4 tsp. salt"]
["Cream butter or margarine.", "Beat in 1 cup of sugar, egg and vanilla.", "Sift flour, baking powder and salt together.", "Add to butter mixture.", "Mix well.", "Cover and refrigerate 3 to 4 hours or until dough is firm."]
["butter", "sugar", "egg", "vanilla", "flour", "baking powder", "salt"]