Melt 3 Tbsp of unsalted butter in a pan.
Add ¼ C of brown sugar and stir until a caramel forms, about 2 minutes.
Add 1 tsp of vanilla extract and ½ tsp of salt.
Pour in ¼ C of dark rum and let it cook for a minute.
Cut the bananas lengthwise and then in half, and add them to the pan.
Cook the bananas for 2 minutes per side.
Top with chopped toasted pecans.
Serve over ice cream.
