Combine egg, sugar and salt, then beat until thick.
Add in corn oil, beat until well combined.
Add in milk and mix well.
Mix together plain flour and baking powder, sieve in and mix until well blended.
Check consistency of the batter: If it is slightly thin, add in some extra flour; If it is slightly thick, add in some extra water, until it reaches the correct consistency (please refer video). Set aside to rest for 5 minutes.
Preheat cooking pan, turn to medium heat, add in a little bit of oil, wipe with kitchen towels until no oil drops are seen (only 1 time).
Pour 1/4 cup (60 ml) of batter into pan, reduce to medium-low heat.
Cook until the bottom part is lightly brown with lots of holes on upper part.
Turn over the pancake, increase to medium heat, continue cooking until the bottom is fully cooked.
Remove from pan when both sides are cooked.
Repeat steps: Pour in batter, reduce to medium-low heat, cook until bottom is lightly brown; Turn over, increase to medium heat, cook until bottom is fully cooked.