Slice bananas into 1" pieces. Melt butter over medium heat in sauce pan.Stir in brown sugar. Add bananas. Cook for 3 minutes or until heated through. Spoon over vanilla or chocolate ice cream. In a small pan, heat rum until hot. Do not let it simmer or the alcohol will evaporate. Pour hot rum into a large ladle. Place the bananas with ice cream in front of your guest. Ignite the rum in the ladle, and pour over ice cream as it flames.
