INGREDIENTS
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1 1/2 cups graham cracker crumbs (from about 20 squares)
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5 tablespoons unsalted butter, melted
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1/4 cup sugar
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9 ounces bittersweet chocolate, chopped
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2 cups all-purpose flour
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3/4 cup plus 1 teaspoon cocoa powder
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1 1/2 teaspoons baking powder
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1 teaspoon baking soda
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1/2 teaspoon salt
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2 eggs
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1 cup milk
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1/2 cup canola oil
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2 teaspoons vanilla extract
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1 3/4 cups plus 2 tablespoons sugar
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2/3 cup boiling water
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6 egg whites
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1 1/2 cups sugar
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1/2 teaspoon cream of tartar
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1 1/2 teaspoons vanilla extract