In a small bowl, dissolve the active dry yeast in warm water. Let it sit for about 10 minutes until it becomes frothy.
In a large mixing bowl, combine the flour, granulated sugar, salt, and ground nutmeg (if using).
Pour the frothy yeast mixture into the dry ingredients. Mix well until a smooth batter forms. The batter should be thick but pourable.
Cover the bowl with a clean cloth and let the dough rise in a warm place for about 1 hour, or until it has doubled in size.
In a large skillet or deep fryer, heat vegetable oil over medium-high heat until hot.
Using a spoon or your hands, drop small portions of the risen dough into the hot oil. Fry the dough balls in batches, being careful not to overcrowd the skillet.
Fry the dough balls for about 3-4 minutes on each side, or until they are golden brown and cooked through.
Remove the fried dough balls from the oil and place them on paper towels to drain any excess oil.
Dust the Yovo Doko with powdered sugar while they are still warm.
Enjoy your meal!