1. Peel the bananas and put them in a bowl, mash them with a spoon, about 200g
2. Add white sugar and milk to the mashed banana, mix well, beat the eggs, pour into the above steps, mix well, add edible oil and mix well
3. Sift plain flour and cornstarch into it
4. Stir evenly
5. Put the mixed batter into a small paper cup
6. Put it in a pre-heated oven at 180 degrees, and bake the upper and lower levels for 20 minutes
