Preheat the oven to 180 C. heat the cream in a medium saucepan until just close to boiling, Set aside.
Put the eggs, sugar and vanilla in a bowl and whisk to combine. Slowly ad the cream while whisking. Set aside.
Spoon 1/4 cup of the lemon curd in the bottom of each baking form you're using (well greased or lined with baking paper). Divide the brioche across the ovendishes and pour the cream mixture on top.
Add the blue berries and sprinkle with the white sugar. leave to stand for about 5-10 minutes. Put the baking dishes on a baking tray and bake for 15-20 minutes in the oven until golden brown and cooked. Leave to rest for 10 minutes before diving in, if you can constrain yourself.