Ingredients:
- 1 cup heavy cream
- 1 cup whole milk
- 6 large egg yolks
- 1/3 cup granulated sugar
- 1 pinch fine sea salt
- 1 whole vanilla bean
Instructions:
- Prep the vanilla. Split the vanilla bean lengthwise and scrape the seeds into 1 cup heavy cream and 1 cup whole milk.
- Heat the dairy. Warm the cream, milk, and the empty vanilla pod in a saucepan over medium heat until tiny bubbles form around the edges and steam rises.
- Whisk the eggs. While the milk heats, combine 6 large egg yolks, 1/3 cup granulated sugar, and 1 pinch fine sea salt in a bowl.
- Beat until pale. Whisk the egg mixture vigorously for 2 minutes until the color turns a pale lemon yellow.
- Temper the eggs. Slowly ladle about 1/2 cup of the hot milk into the egg yolks while whisking constantly.
- Combine everything. Pour the warmed egg mixture back into the saucepan with the remaining milk.
- Thicken the sauce. Cook over low medium heat, stirring constantly with a spatula, until the sauce thickens and coats the back of a spoon.
- Check for Nappe. Run your finger through the sauce on the back of the spoon; the path should remain clear and the sauce shouldn't run.
- Strain immediately. Pour the sauce through a fine mesh sieve into a clean bowl.
- Cool and store. Cover the surface directly with plastic wrap to prevent a skin from forming and refrigerate.