01 -
Line an 20 cm x 20 cm square baking pan with parchment or wax paper. Set aside.
02 -
In a medium saucepan, combine semisweet chocolate chips, sweetened condensed milk, and unsalted butter. Heat gently over medium heat, stirring frequently, until the chocolate is fully melted and the mixture is smooth.
03 -
Remove saucepan from heat. Stir in half of the mini marshmallows and half of the sliced nuts until evenly distributed.
04 -
Pour the mixture into the prepared pan, smoothing the surface with a spatula. Evenly sprinkle the remaining marshmallows and nuts on top, pressing lightly to adhere.
05 -
Cover with cling film and refrigerate for at least 120 minutes, until firm.
06 -
Once chilled and set, remove from pan using parchment edges. Cut into small squares with a sharp knife. Serve as desired.