Cream butter and honey together until smooth and creamy. Add beaten egg and grated orange peel. Sift flour with baking powder, soda and salt. Add flour mixture to creamed mixture alternately with orange juice. Add the chopped nuts. Bake in a greased and floured 9x5x3-inch loaf pan at 325°F for 1 hour, or until a toothpick inserted in centre comes out clean.