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2 large lemons
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¼ cup all purpose flour
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Rounded ¼ tsp. salt
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¾ cup plus 2 T. sugar
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3 large eggs, separated
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1 1/3 cups whole milk
Preheat oven to 350 degrees. Finely grate 1 T. zest from lemons, and then squeeze ¼ cup plus 2 T. of juice. Whisk together flour, salt, and ½ cup plus 2 T. sugar into large bowl. Whisk together yolks, milk, zest and juice in a small bowl and add to flour mixture, whisking until just combined. Beat whites in another bowl until they hold soft peaks. Beat in remaining ¼ cup sugar, a little at a time, and continue to beat until whites hold stiff, glossy peaks. Whisk about ¼ of whites into batter to lighten, and then fold in remaining whites gently, but thoroughly. Batter will be thin. Pour into a buttered 1 ½ quart ceramic gratin or other shallow baking dish and bake in a hot water bath (water ½ way up sides of baking dish) until puffed and golden, 45-50 minutes.
Transfer to rack and serve warm or at room temperature.