3 cups all-purpose flour
2 cups sugar
2 teaspoons baking powder
1 teaspoon baking soda
1/2 teaspoon salt
1/2 pound unsalted butter, melted and cooled
2 extra-large eggs
3/4 cup whole milk
2 teaspoons pure vanilla extract
1 cup mashed ripe bananas (2 bananas)
1 cup medium-diced ripe bananas (1 banana)
1 cup small-diced walnuts
1 cup granola
1 cup sweetened shredded coconut
Dried banana chips, granola, or shredded coconut, optional