Ingredients

Equipment Needed

• •Heavy-bottomed 3-quart saucepan
• •Wooden spoon or silicone spatula
• •Large mixing bowl
• •Whisk
• •Ladle
• •Fine-mesh strainer (optional, for insurance)

Instructions

1. 1

   Warm the milk

   Pour the milk into a heavy-bottomed saucepan and set it over medium heat. You want it steaming and just starting to form tiny bubbles around the edges, not boiling. This takes about five minutes. Watch it close because milk likes to boil over when you're not looking.

   A heavy pot distributes heat evenly and prevents scorching. Thin pots create hot spots that'll ruin your custard before it starts.
2. 2

   Build the egg mixture

   While the milk heats, whisk together the sugar, egg yolks, whole eggs, flour, and salt in a large bowl. Whisk until completely smooth with no lumps of flour hiding anywhere. The mixture will be thick and pale yellow. This is your custard base, and it needs to be silky before it meets the hot milk.

3. 3

   Temper the eggs

   Here's where patience matters. Ladle about half a cup of the hot milk into your egg mixture while whisking constantly. Keep whisking and add another half cup. Then another. You're warming the eggs gradually so they don't scramble. Rush this step and you'll have sweet scrambled eggs instead of custard. Nobody wants that.

   The whisking never stops during tempering. One hand ladles, one hand whisks. Find your rhythm.
4. 4

   Combine and cook

   Pour the tempered egg mixture back into the saucepan with the remaining milk. Set it over medium-low heat. Now the real work begins. Stir constantly with a wooden spoon or silicone spatula, making sure to scrape the bottom and corners where custard likes to stick and scorch.

5. 5

   Watch for the thickening

   Keep stirring for ten to fifteen minutes. The custard will seem thin and hopeless for a while, then suddenly it starts to thicken. You'll feel it in the resistance against your spoon. When it coats the back of the spoon and a line drawn through it holds its shape, you're there. The temperature should read 170 to 175 degrees if you have a thermometer, but your eyes and hands will tell you just as well.

   If you see any lumps forming, immediately remove from heat and whisk vigorously. A fine-mesh strainer can save a slightly curdled custard.
6. 6

   Finish with butter and vanilla

   Pull the pot off the heat the moment the custard thickens properly. Stir in the butter, one tablespoon at a time, until it melts into that silky base. Then add the vanilla extract. Give it a good stir. The butter adds richness, the vanilla adds soul. Taste it now. This is when you'll understand why Louisiana grandmothers kept making this dish.

7. 7

   Serve warm or chilled

   Spoon the custard into serving bowls or cups. Grate fresh nutmeg over the top if you like. La Bouille is beautiful served warm, straight from the pot, but it's also wonderful chilled. If serving cold, press plastic wrap directly onto the surface to prevent a skin from forming, then refrigerate for at least two hours.

Chef Tips

• •Use whole milk, not skim or low-fat. The fat carries flavor and creates that luxurious texture. This is not the place to cut corners.
• •Real vanilla extract costs more but earns its keep. The imitation stuff tastes thin and chemical. If you can find a whole vanilla bean, split it and scrape the seeds into the milk while it heats. That's the bayou way.
• •La Bouille keeps refrigerated for three days. It thickens as it chills, so stir in a splash of cold milk before serving if you want to loosen it up.
• •For a Louisiana twist, add a tablespoon of bourbon or dark rum with the vanilla. My grandmother would've raised an eyebrow, but she'd have taken seconds.

Advance Preparation

• •Custard can be made up to three days ahead and stored covered in the refrigerator. It will thicken considerably when cold.
• •To serve cold custard warm, gently reheat in a saucepan over low heat, stirring constantly. Add a splash of milk if it's too thick.

Frequently Asked Questions

Nutrition Information

1 serving (about 220g)