In a bowl, mix flour, sugar, baking powder, and salt. In another bowl, whisk eggs, milk, and melted butter. Combine both mixtures and stir until smooth. Preheat the waffle maker and cook according to manufacturer's instructions.

In a saucepan, heat heavy cream over medium heat. Add chocolate chips and stir until melted and smooth. Stir in vanilla extract.

In a frying pan, melt butter over medium heat. Slice bananas and add to the pan. Sprinkle with brown sugar and cook until caramelized, about 2-3 minutes.

Serve waffles topped with fried bananas, hot chocolate sauce, and a scoop of vanilla ice cream.