Peel the sweet potato, boil it, and mash it.
Add Greek yogurt and eggs to the mashed sweet potato and mix well.
Add stevia or honey to taste.
Pour the batter into an oven-safe dish.
Bake in a preheated oven at 180°C (356°F) for 20 minutes.
Let it cool, then refrigerate for at least 1 hour until set.