01 -
Warm to 300°F (150°C) and cover a baking tray with parchment.
02 -
Whisk the egg whites with cream of tartar in a big bowl until stiff peaks hold.
03 -
Blend the egg yolks with the cottage cheese, salt, and any sweetener if you're using it.
04 -
Carefully mix cornstarch or arrowroot into the wet egg yolk mix until smooth, when needed.
05 -
Lightly fold the fluffy egg whites into the yolk mixture, keeping lots of air in.
06 -
Stir blueberries in very gently to spread them throughout.
07 -
Drop dollops on the tray and bake 25-30 minutes until golden and set.
08 -
Leave the bread to cool a bit before digging in.