01 -
Preheat the oven to 190°C.
02 -
In a large bowl, gently toss sliced peaches, mixed berries, 70 g of granulated sugar, cornstarch, lemon juice, ground cinnamon, and ground nutmeg until fruit is evenly coated.
03 -
Transfer the fruit mixture into a 23x23 cm baking dish or a 25 cm cast-iron skillet, spreading it into an even layer.
04 -
In a separate bowl, whisk together flour, the remaining 30 g granulated sugar, baking powder, and salt.
05 -
Using a pastry blender or fingertips, work the cold, cubed butter into the flour mixture until it resembles coarse crumbs.
06 -
Pour in the milk and use a fork to stir until just combined, ensuring not to overmix the dough.
07 -
Drop spoonfuls of the biscuit dough evenly over the fruit filling.
08 -
For a crunchy finish, sprinkle Turbinado sugar over the dough if desired.
09 -
Bake for 35-45 minutes, or until the fruit filling is bubbling and the biscuit topping is golden brown.
10 -
Allow to cool for at least 15 minutes before serving. Best enjoyed warm, optionally with vanilla ice cream.