In a mixing bowl, combine the coconut flour and banana and mix well. Add the almond butter and maple syrup and mix until a thick batter remains. Fold through the chocolate chips.
Transfer batter to the lined pan and refrigerate for 10-20 minutes, until firm. It can also be frozen briefly.
Notes
Leftovers: Keep in the fridge, covered, for two weeks, or in the freezer for up to 3 months.