Peel the pumpkin and sweet potato, and cut them into bite-sized pieces.
Steam the sweet potato and pumpkin for 10 minutes.
Boil the eggs, peel them, and cut them into bite-sized pieces.
Place the steamed pumpkin, sweet potato, and boiled eggs in a bowl.
Add your desired amount of salt, pepper, and Greek yogurt, then mix well.
Transfer to a plate to serve.