Wash the pumpkin thoroughly, remove the seeds, and cut it into bite-sized pieces.
Place the pumpkin pieces in a steamer and steam for 15–20 minutes until cooked.
Transfer the steamed pumpkin to an oven-safe dish and evenly sprinkle mozzarella cheese on top.
Bake in a 180°C oven for 5–10 minutes until the cheese is melted.
Place the finished cheese steamed pumpkin on a plate and serve.