Mash the bananas in a large bowl. Add the eggs, and stir to mix together.
In a small bowl, stir together the flour, cinnamon, nutmeg, and salt. Add the dry ingredients to the wet ingredients and mix to combine well. Stir in the chocolate chips.
Heat the avocado oil in a large skillet over medium heat. Drop the batter into the skillet by heaping tablespoon (2-inch to 3-inch diameter for each fritter). Cook until lightly browned on each side (a minute or two), or until golden brown. You'll need to do this in multiple batches.