Preheat anoven to 350F and line a muffin tray with cases.
In amixing bowl combine the banana extract, melted butter, egg and almond milk.Whisk together to combine completely.
In asecond mixing bowl add the almond flour, sweetener, baking powder, bicarbonateof soda, chia seeds, and salt, stir to incorporate.
Thengradually pour the bowl of dry ingredients into the bowl of wet ingredients and fold together. If using the also add the chocolate chips at this stage.
Pour themuffin batter evenly between the 12 muffin cases then transfer the muffin trayto the preheated oven.
Bake theketo banana muffins for 30 minutes then remove from the oven. Allow to coolthen serve either warm or room temperature.