FOR CAKE: Preheat oven to 325�F. Grease & flour 25 cm tube or 13-cup Bundt Pan. Sprinkle nuts over bottom of pan. Mix all cake ingredients together. Pour batter over nuts. Bake 1 hour. Cool. Invert on serving plate. Prick top in many places (with something small like fork tines or a toothpick). Drizzle and smooth glaze evenly over top and sides. Allow cake to absorb glaze. Repeat until glaze is used completely. FOR GLAZE: Melt butter in saucepan. Stir in water & sugar. Boil 5 minutes, stirring constantly. Remove from heat. Stir in Rum. OPTIONAL: Decorate with whole maraschino cherries and border of sugar frosting or whipped cream. Serve with seedless green grapes dusted w/powdered sugar