INGREDIENTS
1/2 cup
melted unsalted butter, plus more for greasing the loaf pan (1 stick or 4 oz. butter)
1 cup
all-purpose flour, plus more for dusting the loaf pan
1 tsp
baking soda
1/4 tsp
salt
3/4 cup
sugar
1/4 cup
buttermilk
1 tsp
pure vanilla extract
2
large eggs plus 1 large egg yolk, divided
3
ripe bananas (about 480 g)
4 oz
cream cheese, softened
2 tbsp
all-purpose flour
2 tbsp
sugar