How to make a yogurt cake with 3 ingredients: no sugar or flour

Add cornstarch and mix until fully incorporated.
Pour mixture into a greased and floured cake tin.
Bake for about 30 minutes. Test with a toothpick to check doneness.
Let cake cool completely before serving.
Suggestions
For a tastier cake, add a little vanilla, lemon or orange zest to the recipe.
To make the cake even lighter, you can replace the eggs with beaten egg whites.
The yogurt cake will keep for 2 to 3 days in a cool, dry place.