1Heat sugar, butter, brown sugar and milk in a medium sized saucepan on med, until sugar is dissolved. Bring to a rolling boil and cook for only 1 minute. Remove from heat
2Stir in vanilla and powdered sugar. Beat with a wooden spoon until desired consistency, it should be thick but loose enough to pour over the banana bread.
3Immediately pour over the banana bread and sprinkle with chopped walnuts or pecans. Which ever chopped nut you used in the banana bread recipe. Let cool, slice and serve