For pineapple upside down cake Grease the baking tin and sprinkle brown sugar all over the tin, I used cane sugar (nattu sarkarai) so it looks brown
Arrange the pineapples (no of pineapple is based on the tin your using) I used 5 slices
Now add cherries
In a large bowl take oil, sugar and whisk well
Now add milk and vinegar and whisk well with wire whisk or fork
Add ½ tsp vanilla essence and mix
Further place a sieve and add 2 cups maida/all-purpose flour, 1 tsp baking powder, ½ tsp baking soda
Now mix the flour with milk and oil mixture to smooth batter
Finally add ¼ cup pineapple juice and mix with the batter
Now pour the Cake batter to arranged cake tin
Tap the tin and bake in preheated oven for 40 minutes at 180 degree Celsius
Take it out if the inserted toothpick or knife comes out clean
Once it cool downs unmould the cake and enjoy it