Smash bananas briefly, then add eggs, milk, vanilla, and oil to the blender. Blend until smooth.
Add flour, cocoa, sugar, baking powder, and salt. Pulse until just combined.
Pour batter into ice cube trays or silicone muffin cups for single-serve portions. Freeze solid, then transfer to a labeled freezer bag.
To cook, thaw one portion in the fridge or microwave 30–60 seconds. Pour onto a hot, greased skillet and cook 2–3 minutes per side until set.
Prep time: 10 minutes | Cook time: 6 minutes | Servings: 6 portions