Economy Pound Cake
["3 c. flour", "1 1/2 tsp. baking soda", "1/2 tsp. salt", "1 c. butter", "1 1/2 c. sugar", "1/2 c. sweet milk", "1 tsp. vanilla", "rind of 1 lemon, grated"]
["Sift flour, baking powder and salt 3 times.", "Cream butter, adding sugar gradually.", "Add eggs and beat thoroughly.", "Add sifted dry ingredients alternately with milk.", "Pour into greased tube pan and bake 55 minutes in moderate oven (350\u00b0)."]
["flour", "baking soda", "salt", "butter", "sugar", "sweet milk", "vanilla"]