Nut Cake
["2 c. butter, softened", "2 c. sugar", "6 eggs", "2 1/2 c. self-rising flour", "1 tsp. vanilla extract", "3 c. chopped pecans", "1 c. chopped black walnuts", "1 1/2 c. all-purpose flour", "1 large apple, peeled and chopped"]
["Cream butter and sugar in mixer bowl until light and fluffy. Add eggs 2 at a time, beating well after each addition.", "Add self-rising flour; mix well.", "Stir in vanilla.", "Combine pecans, walnuts and all-purpose flour in bowl; toss to coat.", "Fold into batter.", "Stir in apples.", "Pour into ungreased tube pan.", "Bake at 300\u00b0 for 1 1/4 hours.", "Cool in pan for several minutes.", "Invert onto serving plate.", "Yield:", "16 servings."]
["butter", "sugar", "eggs", "flour", "vanilla extract", "pecans", "black walnuts", "flour", "apple"]