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. 

In a microwave safe bowl, melt the chocolate in 30 second intervals stirring until smooth. Pour over the treats and spread evenly. 

Immediately top the chocolate with the graham cracker squares and let them set. 

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.

Using a food torch, toast the marshmallows. If you don’t want to toast them, leave them as is. 

Drizzle more milk chocolate on top and then let them set until the chocolate is firm.

Cut into squares (around the graham crackers) and serve.