Poppy Seed Cake
["3/4 c. poppy seed", "3/4 c. milk", "3/4 c. margarine", "1 1/2 c. sugar", "2 c. flour", "1 1/2 tsp. baking powder", "2 1/2 tsp. salt", "2 tsp. vanilla", "4 egg whites"]
["Soak poppy seed in milk overnight.", "Cream butter, sugar and poppy seed mixture.", "Sift dry ingredients, then add to creamed mixture."]
["poppy seed", "milk", "margarine", "sugar", "flour", "baking powder", "salt", "vanilla", "egg whites"]