3 eggs whites,
2/3 cup sugar
Preheat oven to 300 F.
Whip eggs until soft peaks form, then add the sugar slowly until glossy and clinging to the whisk. Spoon in dollops onto a baking sheet, or pipe in fancy swirls. Bake at a low heat or 45-60 minutes.
And they are delicious!
You can add a few tablespoons cocoa powder for chocolate cookies, or wedge two together with buttercream or ganache for a delicious sandwich cookie.