
1 cup all-purpose flour
½ cup Dutch-processed cocoa powder
2 teaspoons baking powder
½ teaspoon baking soda
½ teaspoon salt
2 ripe bananas
¼ cup unsalted butter, melted and cooled slightly
2 tablespoons canola oil
2 large eggs, room temperature
½ cup granulated sugar
½ cup packed light brown sugar
2 teaspoons vanilla extract
¾ cup semisweet chocolate chips, divided