Chop your chocolate and combine in the pan with the heavy cream. Place under the broiler for 2-3 minutes.
Remove from oven and stir until chocolate is melted and cream is incorporated completely, about 30 seconds to 1 minute.
Layer marshmallows on their sides to cover the chocolate.
Return under the broiler until top is golden brown, about 2 minutes.
Serve immediately with graham crackers and enjoy.
Notes
*Please note that the quantities for this recipe are for a small 6 inch pan, you may need to increase the recipe if you're using a large pan. *Adjust cream based on your chocolate. 1 1/2 tablespoons for milk chocolate, 2 tablespoons for dark chocolate, or 1 tablespoon for white chocolate.