Poppy Seed Cake
["2 c. flour", "2 tsp. baking powder", "1/4 tsp. salt", "1 1/2 c. sugar", "3/4 c. shortening", "3/4 c. poppy seed, soaked in 3/4 c. milk overnight", "1/2 c. milk", "4 egg whites", "1 tsp. vanilla"]
["Cream sugar and shortening.", "Add poppy seed.", "Sift flour, baking powder and salt.", "Alternate flour mixture and 1/2 cup milk to creamed mixture, mixing well.", "Add beaten egg whites and vanilla.", "Pour in greased 9 x 13-inch pan.", "Bake at 340\u00b0 for 30 minutes."]
["flour", "baking powder", "salt", "sugar", "shortening", "poppy seed", "milk", "egg whites", "vanilla"]