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["Preheat oven to 300 degrees F (150 degrees C). Line a baking sheet with parchment paper.", "Beat egg whites in a glass, metal, or ceramic bowl with an electric mixer on medium speed until foamy, about 30 seconds. Add white sugar and continue to beat until peaks are stiff enough they stay in place when the bowl is turned upside down, about 5 minutes.", "Sift 1 2/3 cup confectioners' sugar, almond flour, and salt together twice. Fold into the egg whites until batter is creamy and falls slowly off the lifted spatula, about 50 turns with a spatula. Transfer batter to a piping bag fitted with a round tip.", "Pipe batter onto the parchment paper, using a circular motion to make macarons 1 inch in diameter. Tap the baking sheet against the counter about 10 times to release any air bubbles.", "Bake in the preheated oven for 9 minutes. Rotate baking sheet and continue baking until macarons are shiny and rise slightly to form ""feet"
