Preheat oven to 300°F.
Line baking sheet with parchment paper.
With an electric mixer on high, beat egg whites with cream of tarter until stiff peaks form, about 4 minutes.
In a separate bowl, mix together the egg yolks and cottage cheese until smooth.
Fold egg whites slowly into egg yolk mixture.
In approximately 1/4 cup increments, spoon cloud bread mixture onto baking sheet and smooth, making even circles, roughly 3/4 in thick.
Bake on the middle rack for about 30 minutes or until tops are golden brown.
Cool completely before serving. before storing in an airtight container at room temperature.
Store in an airtight container at room temperature, in between pieces of wax paper so they don't stick together.