Preheat oven to 150c, 130c Fan or Gas Mark 2.
Firstly Separate the egg yolks from the egg whites.
Add the yolks, Quark (or cottage cheese), sweetener and salt to a bowl and fold together.
Whisk the egg whites in a separate bowl until they form soft peaks.
Gently fold the two mixtures together trying not to let any of the air out of the mixture.
Spray a baking tray with fry light to stop the bread from sticking.
Spoon the mixture onto the tray into small roll shapes and bake in the oven for 20 to 25 minutes.