Italian Hangover Cake Recipe

Name: Italian Hangover Cake Recipe
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: Italian
Ingredients: 4 tablespoons of room temp unsalted butter (plus more for greasing); 3/4 cup flour for all purposes; 1 tablespoon of baking soda; 2 tablespoons of ginger powder; 1/2 tbsp of salt; 1/2 a cup of powdered sugar; 1 large egg (beaten till fluffy); 1 teaspoon of vanilla extract; 1/4 cup of plain yogurt; 3 tablespoons salted butter; 1/2 teaspoon dark brown sugar; 2 tablespoons of solid rum; 3 big bananas