'1 and 1/4 cup unsalted butter, softened'
'1 and 1/3 cups all-purpose flour'
'6 large egg whites'
'2 cups all-purpose flour, sifted'
'1 teaspoon active dry yeast'
'1 pinch of salt'
'4 large egg whites, whipped to stiff peaks'
'1 and 1/4 cup unsalted butter, softened'
'1 and 1/3 cups all-purpose flour'
'6 large egg whites'
'2 cups all-purpose flour, sifted'
'1 teaspoon active dry yeast'
'1 pinch of salt'
'4 large egg whites, whipped to stiff peaks'
'Whisk the butter, sugar, and eggs until light and fluffy.'
'Combine the flour, yeast, and salt.'
'Mix well.'
'Add the whipped egg whites and mix delicately.'
'Pour the batter into a greased 30 x 45 cm pan or a 30 cm round cake pan, dust with flour.'
'Bake in a preheated oven at 200°C for 30 minutes or until lightly golden.'
'Check if done by inserting a toothpick in the center of the cake
It should come out clean.'
'Remove from the oven and let cool to room temperature.'
'Turn the cake onto a paper-lined plate.'
'This yields one cake.'
'Total calories per serving: 4,294.'
