INGREDIENTS
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1 3/4 cup graham cracker crumbs
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1/4 cup granulated sugar
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1/2 cup butter (8 tablespoons), melted
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2 cups all-purpose flour
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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3/4 cup unsalted butter, melted and slightly cooled
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1 cup packed brown sugar
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1/2 cup granulated sugar
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1 tablespoon vanilla extract
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1 egg
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1 egg yolk
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1 1/2 cups semisweet chocolate chips
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1-1/2 cups mini-marshmallows - frozen
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2 (1.55 oz) Hershey chocolate bars