Add flour mixture, egg, rum and orange peel to fig mixture and beat with electric mixer at medium speed until well blended. Stir in nuts. Transfer batter to prepared pan, smoothing top. Bake until tester inserted in center comes out clean, about 65 to 75 minutes (begin checking for doneness after 50 minutes. Let cool in pan on rack 10 minutes. Remove loaf from pan and discard waxed paper. Let cool completely on rack. Wrap airtight and let stand at least 24 hours before serving.