In a mixing bowl, beat egg, milk, and mashed banana.
Stir in oat flour and wait 2-3 minutes to give the oat fiber time to thicken the batter.
Slightly oil a pancake griddle with coconut oil and spoon 1 tablespoon of batter per pancake.
Cook for 2 minutes on one side or until the sides dry out, then slide a spatula under the baby pancake, flip, cook an extra 30 seconds to 1 minute.
Cool down on a rack and serve lukewarm or cold.
Store in the fridge for up to 3 days or freeze in ziplock bags and thaw in the fridge overnight.