Whisk the eggs with the milk, cream, salt, and nutmeg.
2 Eggs, 80 ml cold Milk, 20 ml Heavy Cream, some Salt and Nutmeg
Brush the mold with the butter.
Pour the mixture into the mold, i.e. a glass bowl. Cover with a lid or a small plate.
In a pot or pan, bring water to a boil, reduce the heat so it barely boils, then place the mold into the water.
Let the container sit in the slightly boiling water for 30 minutes, then carefully remove it and let cool.
Remove the egg-mass from the mold and cut into cubes or rectangles. Add to a soup or put into an airtight container and freeze. Use frozen Eierstich by putting it directly into a boiling soup without thawing.