01 -
Grease a cast iron skillet or oven-safe baking dish with butter and preheat the oven to 175°C.
02 -
Combine eggs, whole milk, heavy cream, flour, granulated sugar, vanilla extract, and salt in a blender or whisk in a bowl until smooth and lump-free.
03 -
Pour the batter into the prepared pan and evenly distribute the fresh blackberries on top; they will sink slightly during baking.
04 -
Bake for 35 to 40 minutes until puffed, golden at the edges, and gently set but still with a slight jiggle in the center.
05 -
Let rest for 10 to 15 minutes. Dust with powdered sugar if desired, and serve warm or chilled.