Preparation:

1)Preheat oven to 180°C / 350°F / Gas 4. 2)Grease 6 muffin cups with the 45g of melted butter and, sprinkle the dark brown soft sugar into each muffin cup. 3)Add a pineapple slice to each muffin mould that has been lined with the butter and sugar. 4)In a large mixing bowl, combine the flour, sugar, butter, eggs, vanilla and 50ml of the reserved pineapple juice and mix well. 5)Spoon the cake mix over the pineapple, filling each cup 2/3 full. Bake in a preheated oven for 25-30 minutes, and until an inserted skewer comes out clean and the cakes are cooked. 6)Immediately invert onto wire racks to cool. Place a cherry in the centre of each pineapple ring and serve.