INGREDIENTS
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1 cup unsalted butter
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10 oz. bittersweet chocolate, chopped
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1 cup sugar
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3/4 cup packed light brown sugar
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4 eggs
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2 tsp pure vanilla extract
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1 tsp kosher salt
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1 1/3 cups cake flour
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3 Tbsp natural cocoa powder
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6-8 whole graham crackers, crushed in your hand
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9 jumbo or 12 regular size marshmallows