Dry mixture: Sieve flour, baking powder, baking soda, vanilla custard powder, salt. Add tossed cherry and keep it aside.
Mix both dry and wet mixtures well.
Put prepared batter into a greased pan and tap the cake pan on a countertop to release any large air bubbles.
Put the cake pan into the preheated pressure cooker and bake it for 1 hour 10 minutes.