Make Ahead Tip: Cookies can be held at room temperature in an airtight container for up to 5 days or in the freezer for up to 1 month. If stored meringues are chewy, bake at 200°F for about 10 minutes to restore their original crisp texture.
Tips: To get the most volume from beaten egg whites, it's best to start with whites at room temperature. Submerge them in their shells in a bowl of lukewarm (not hot) water for about 5 minutes before using
To toast chopped nuts: Toast in a small dry skillet over medium-low heat, stirring constantly, until fragrant and lightly browned, 2 to 4 minutes.
To toast coconut: Toast in a small dry skillet over medium-low heat until golden, stirring often, about 5 minutes.