Preheat the oven and prepare the pan

• Preheat the oven to 180 °C.
• Grease the cake pan and line it with baking paper.

Make the batter

• Whisk the melted butter and sugar in a bowl until smooth.
• Beat in the eggs and vanilla extract.
• Add the gluten-free flour, baking powder and salt and mix until just combined.
• Stir in the milk to loosen the batter.

Add the peaches

• Fold most of the sliced peaches gently into the batter.
• Pour the batter into the prepared pan and arrange the remaining peach slices on top.

Bake the cake

• Bake until golden and a skewer inserted in the centre comes out clean.

Cool and serve

• Let the cake cool in the pan for a few minutes, then transfer to a rack.
• Serve warm or at room temperature.