Grandma'S Deep Butter Cake
["3 c. flour, sifted 3 times", "1/2 c. salt", "2 c. sugar", "2 sticks margarine", "4 1/2 tsp. baking powder", "1 c. milk", "3 eggs", "1 1/2 tsp. vanilla"]
["Sift flour and salt together in a large mixing bowl.", "Add sugar and margarine; mix with fingers to form crumbs.", "Take out 1 cup of crumbs.", "Then add rest of the ingredients and beat 10 to 15 minutes.", "Pour into a 13 x 9 x 2-inch greased and floured pan. Sprinkle 1 cup of reserved crumbs on top.", "Bake at 350\u00b0 for 50 minutes."]
["flour", "salt", "sugar", "margarine", "baking powder", "milk", "eggs", "vanilla"]