Beat eggs until fluffy.
2 large eggs
Then add sugar and mix.
6 tablespoons white sugar
Add milk, oil and vanilla extract and mix.
2 tablespoons vegetable oil, 3 tablespoons evaporated milk, 1/8 teaspoon vanilla extract
Sift dry ingredients and mix with rest of batter until just combined.
10 tablespoons cake and pastry flour, 2 tablespoons custard powder, 1/2 teaspoon baking powder
Pour into 6" pan.
Open Instant Pot. Add water, trivet, then pan to Instant Pot liner.
Close Instant Pot. Select Cake function high pressure for 20 minutes.
When done, quick release or release naturally (NPR). Either way works.