Banana Bread
["1/4 c. (1 stick) butter or margarine, softened", "2 large eggs", "1 tsp. grated orange peel", "1 c. mashed bananas", "2 c. unsifted flour", "1/2 c. buttermilk", "1 c. chopped walnuts", "1 c. semi-sweet chocolate piece"]
["Preheat oven to 350\u00b0.", "Grease and flour two 8 x 4-inch loaf pans.", "In large bowl, at medium speed, cream butter, sugar, eggs and orange peel until light and fluffy.", "Beat in mashed bananas."]
["butter", "eggs", "bananas", "flour", "buttermilk", "walnuts", "semi-sweet chocolate piece"]