- Large eggs - Granulated sugar - Salt - Vanilla extract - All purpose flour - Cornstarch - Lemon zest - Powdered sugar
Adjust oven rack to middle position and preheat to 350°F. Line two cookie sheets with baking paper. Fit a large piping bag with a 1/2-inch round tip.
Fold in the lemon zest (optional) using the silicone spatula. Whip the egg whites on medium-high speed, until fluffy. Once light and fluffy, slowly add the rest of the sugar while continuing whipping.