Rum-flavoured pineapple upside-down cake

Ingredients

1 large can pineapple rings (8 rings), drained
2 free-range eggs
125g/4½oz caster sugar
150g/5¼oz plain flour
2 tsp baking powder
2 tsp vanilla sugar (make your own by placing a split vanilla pod in some caster sugar)
50g/1¾oz butter, melted
½ lemon, zest only
100ml/3½fl oz milk
3 tbsp good-quality dark rum

Method

1. Preheat the oven to 175C/350F/Gas 3.
2. Line the bottom and the sides of a large ovenproof dish with the pineapple rings.
3. In a bowl, whisk together the eggs and sugar until frothy.
4. In another bowl, mix the flour, baking powder and vanilla sugar together until well combined.
5. Add the dry ingredients to the egg and sugar mixture and stir to combine.
6. Add the melted butter, the lemon zest, milk and dark rum to the mixture. Stir to combine.
7. Pour the mixture into the ovenproof dish over the pineapples. Bake in the oven for 40-50 minutes until risen and golden brown and a skewer inserted comes out clean.
8. Leave the cake to cool on a wire rack. When it is cooled, cut into slices to serve.