Apple Walnut Ring Cake
["1 c. butter or margarine", "2 c. sugar", "2 eggs", "3 c. sifted flour", "1 1/2 tsp. baking soda", "1/2 tsp. salt", "1 tsp. cinnamon", "1/4 tsp. mace", "2 tsp. vanilla", "3 c. chopped apples", "2 c. chopped walnuts"]
["Preheat oven to 325\u00b0.", "Grease and flour 10-inch tube pan. Cream butter and sugar until fluffy.", "Add eggs, one at a time, beating well after each addition."]
["butter", "sugar", "eggs", "flour", "baking soda", "salt", "cinnamon", "mace", "vanilla", "apples", "walnuts"]