Danish Shortbread Cookies
["1 lb. oleo", "2 c. sugar", "4 c. flour", "pinch of salt", "1 tsp. cream of tartar", "1 tsp. baking powder", "1 tsp. vanilla"]
["Knead and shape into 1 1/2-inch rolls.", "Chill overnight. Slice and sprinkle with sugar and chopped nuts.", "Bake at 350\u00b0 for 10 minutes, until light brown."]
["oleo", "sugar", "flour", "salt", "cream of tartar", "baking powder", "vanilla"]