The measurements for this recipe calls for using the egg shells for measurements. Where it says “1 egg shell” it means filling up one of the half shells with the item.

2 egg yolks
2 egg shells sugar
1 egg shell Grand Marnier
1 egg shell white wine
1 tsp lemon juice, or to taste

Over a double boiler using “steam heat” whisk everything together until thickened.
Pour the sauce over sliced fruit and broil until golden.