- In a large bowl, melt the butter and one bag of marshmallows over medium low heat until completely melted. Stir in the fluff if desired and then remove from the heat.
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Stir in the Krispies and then transfer them to a greased 9 x 13 pan. Press down lightly so that the mixture is evenly spread in the dish.
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In a microwave safe bowl, melt the chocolate in 30 second intervals stirring until smooth. Pour over the treats and spread evenly.
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Immediately top the chocolate with the graham cracker squares and let them set.
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Melt additional chocolate and add it to a bottle fit with a tip or a plastic bag with a small opening cut. Alternatively, drizzle the chocolate over the crackers with a spoon. Sprinkle marshmallows over the chocolate right away before it has a chance to set, then add a layer of marshmallows on top.
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Using a food torch, toast the marshmallows. If you don’t want to toast them, leave them as is.
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Drizzle more milk chocolate on top and then let them set until the chocolate is firm.
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Cut into squares (around the graham crackers) and serve.