Preheat oven to 350ºF. Grease and flour a 7-8 inch springform pan.

Add melted butter and brown sugar to a small bowl and mix well. Pour into bottom of prepared pan. Layer the pineapple slices evenly overtop and press into sugar mixture. If there are gaps, press in small sections of left over pineapple. Place cherries in centre of pineapple circles (if using).

To make the cake layer, in a medium bowl whisk together flour, baking powder and salt.

In another bowl cream butter, sugar and vanilla, add egg and beat until light and fluffy. Add dry ingredients alternately with milk . Beat until well combined and smooth.

Spread over pineapple slices and smooth out. Make 40-45 minutes. Cool 5 minutes and then turn out on to serving plate.