INGREDIENTS
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2 cups all-purpose flour
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1/2 cup unsweetened cocoa powder
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1/4 cup
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2 tsp baking powder
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1 tsp baking soda
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1 tsp kosher salt
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3 large eggs, separated
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2 cups buttermilk
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1/2 cup olive oil
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1 tsp vanilla extract
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6 oz. bittersweet chocolate (at least 70% cacao), finely chopped
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Nonstick vegetable oil spray
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Unsalted butter, warm pure maple syrup and peanut butter (for serving)