serves 6-8, made in a 12-inch skillet

1/2 cup unsalted butter, melted and cooled + 3 tablespoons

1 1/2 cups granulated sugar

1/2 cup loosely packed brown sugar + 1/3 cup

2 large eggs

2 teaspoons vanilla extract

2 cups all-purpose flour

2 teaspoons baking powder

1/4 teaspoon salt

1/2 teaspoon cinnamon

4 bananas, mashed (about 1 1/4 cups) + 2 bananas, sliced

1/3 cup milk