Preheat your oven to 400° F. Combine the egg, sugar, salt, and vanilla in a large mixing bowl. Pour the milk in with the other ingredients and whisk to combine. If using scalded milk, be sure it has cooled before adding.
Use a pastry brush to coat the inside of the pie shell with the egg wash. pour the filling into the prepared shell and sprinkle the nutmeg on top, using a fine-mesh strainer
Bake for 40 to 50 minutes until the edges of the pie are firm and the center jiggles a bit Allow to cool on a cooling rack and then refrigerate before serving.
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Notes
Wondering how to scald milk? Our good friend and Wisconsin native from Culinary Hill can show you the way!