Very simple Castella sponge cake recipe without oven, Rice cooker baking recipe of fluffy Castella

I tried to make Castella with an electric pressure rice cooker. The preparation is very simple and the bread is delicious. Make it. You'll be addicted to making bread.
Very simple recipe
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4 eggs
1 cup plain flour (240ml, 145g)
1 cup sugar (240ml, 200g)
1/3 cup cooking oil (80ml, 80g)
Salt 1t
Baking Powder 2t
[Set ; steamed dish ] x 40 minutes