"Preparation time: 10 minutes to make the batter, 1 1/2 hours resting time for the batter, and approximately 10 minutes baking time...."
INGREDIENTS
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1/3 cup flour
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1/2 cup plus 2 Tbsp. granulated sugar
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1 pinch salt
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3 egg whites from large eggs
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2 1/2 Tbsp. melted unsalted butter
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3 Tbsp. (approximately) melted butter to grease the parchment paper
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2 Tbsp. (approximately) milk