*ingredients
°½ cup (80 g) melted butter
°4 large ripe bananas, mashed (1¼2 to 1½4 cups)
°½ c (165 g) granulated sugar
°One large egg, at room temperature
°1 teaspoon vanilla
°1½ cups (186 grams) all-purpose flour
°1 teaspoon of baking soda
°1 teaspoon baking powder
°1/2 teaspoon kosher salt
To the instructions