Flourless Peanut Butter Chocolate Chip Blender Cake

extra-large or 2 small ripe banana(s), peeled

large egg

heaping 1/2 cup creamy peanut butter (I recommend using classic storebought peanut butter, not natural or homemade)

honey (agave or maple syrup may be substituted)

vanilla extract

baking soda

salt, optional and to taste

heaping 1/2 cup mini semi-sweet chocolate chips, plus more for sprinkling on top