01 -
Place cubed sweet potatoes in a large stockpot, cover with water, and bring to a boil. Simmer for 15–18 minutes until fork-tender, then drain and cool on a plate.
02 -
Preheat the oven to 180°C. Line an 20 cm square baking pan with parchment paper, leaving an overhang for easy removal.
03 -
Combine graham cracker crumbs, sugar, and melted butter in a medium bowl until evenly moistened. Firmly press mixture into the bottom of the prepared pan to create an even layer.
04 -
Bake the crust for 15 minutes, or until set and fragrant. Remove from oven, and allow to cool slightly while preparing the filling.
05 -
Scoop cooled sweet potato into a large bowl. Add condensed milk, softened butter, eggs, orange zest, cinnamon, ginger, and cloves. Use an electric mixer to blend until smooth and creamy with no lumps.
06 -
Pour sweet potato mixture evenly over prebaked crust. Bake for 35–45 minutes, or until a skewer inserted in the center comes out clean and filling is set.
07 -
Allow bars to cool to room temperature, then transfer to the refrigerator to chill for at least 4 hours until firm.
08 -
Once chilled, sprinkle mini marshmallows evenly over the surface. Place under a broiler for 2–3 minutes until marshmallows are golden brown and just melted. Watch closely to avoid burning.
09 -
Cut cooled bars into squares with a sharp serrated knife, wiping between cuts for clean edges. Serve chilled or at room temperature.