2 ripe bananas, mashed
1/3 cup creamy peanut butter
1/4 cup honey or maple syrup
1/4 cup granulated sugar
1/4 cup unsalted butter, melted
1 large egg
1 teaspoon vanilla extract
1 1/2 cups all-purpose flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/4 teaspoon salt
1/2 cup chopped peanuts (optional, for topping)