Grandmother'S 1-2-3-4 Cake
["1 c. butter", "2 c. sugar", "3 c. sifted flour", "4 eggs", "3 tsp. baking powder", "1/2 tsp. salt", "1 c. milk", "1 tsp. vanilla extract"]
["Stir butter to soften.", "Gradually add sugar and cream together until fluffy.", "Add eggs and mix well.", "Sift flour, baking powder and salt.", "Add to creamed mixture alternately with milk, a small amount at a time.", "Add vanilla.", "Bake in 3 round paper-lined pans at 350\u00b0 for about 30 minutes."]
["butter", "sugar", "flour", "eggs", "baking powder", "salt", "milk", "vanilla extract"]