01 -
Line a 20 cm square baking pan with parchment paper, ensuring an overhang on the sides for easy removal.
02 -
In a medium bowl, combine graham cracker crumbs, melted butter, and sugar. Mix until blended, then firmly press into the bottom of the pan to create an even layer.
03 -
Place 150 g mini marshmallows and 30 g unsalted butter in a microwave-safe bowl. Heat in 20-second intervals, stirring each time, until the marshmallows are fully melted and smooth. Evenly spread this mixture over the graham cracker base. Allow to cool for 5 minutes.
04 -
Combine chocolate chips and heavy cream in a microwave-safe bowl. Microwave in 20-second intervals, stirring until melted and glossy. Pour over the marshmallow layer and spread evenly.
05 -
Immediately sprinkle the remaining mini marshmallows, crushed graham cracker pieces, and optional chocolate chips over the chocolate layer. Gently press into the surface to adhere.
06 -
Refrigerate for at least 1 hour or until fully set. Use the parchment overhang to lift from the pan. Cut into squares and serve.