Pineapple Vegan Upside Down Cake

I've always liked the look of the Pineapple upside down cake, Today I thought I'd try coming up with a nice butter cake recipe just for it.

Ingredients
1/2 cup vegan Butter
1/3 cup Brown Sugar
1+1/4 cup Self Raising Flour
1 tsp Baking powder or 1/4 cup Apple sauce
1 Tbsp apple cider vinegar mixed with 1 Tbsp water
1/2 cup Castor Sugar
440gm Tin Pineapple Slices in juice (drained)
2 Tbsp Pineapple Juice

Instructions
 Preheat oven 180C, In a greased and lined fluted cake pan or round cake tin, Sprinkle the base of it with the brown sugar and lay the slices of pineapple on top of the sugar, In a mixing bowl add the butter and sugar and beat till light and fluffy, add vinegar and water to the baking powder and stir... will foam up, Add half the bicarb vinegar mixture to the butter mixture and combine well, Add the remaining bicarb mixture to the butter and mix well and add the pineapple juice to the batter stir well, dollop the cake batter on to the pineapple...evenly spreading the mixture, Bake till golden brown and leave to cool in the tin before turning it out on to a serving plate. Enjoy!!  =)