01 -
Preheat oven to 175°C. Lightly grease a 33 x 23 cm baking dish.
02 -
Simmer sweet potato cubes in boiling water for 15 to 20 minutes until fork-tender. Drain thoroughly and mash until smooth.
03 -
In a large mixing bowl, blend mashed sweet potatoes with melted butter, brown sugar, cinnamon, nutmeg, salt, vanilla extract, eggs, and milk until mixture is homogenous.
04 -
Transfer sweet potato mixture into the prepared baking dish and spread into an even layer.
05 -
Distribute mini marshmallows evenly over the surface of the sweet potato mixture.
06 -
Place dish in oven and bake uncovered for 25 to 30 minutes, or until marshmallows are golden and filling is heated through.
07 -
Allow to cool slightly. Serve warm for best texture and flavor.