Baking

Éclairs: Fancy French Pastry That’s Actually Easier Than You Think

3 min

Dump the cup of flour into the boiling milk and butter all at once, then stir hard until the dough stops sticking and rolls into a ball against the side of the pan. That single step cooks out the raw flour and sets up the steam that puffs these hollow. The eggs go in one at a time after a short cool-down, and you stop when the dough turns glossy and slides off the spoon in a thick ribbon. Éclair just means lightning in French, which people usually pin on how fast they vanish.

By Nora Calloway

A little backstory

Choux pastry traces back to 16th-century France, but the éclair itself is often credited to the pastry chef Antonin Carême in the early 1800s. The story goes that the dough was shaped into fingers, filled with cream, and glazed on top, and the form stuck more or less unchanged. Whether the name comes from eating them in a flash or from the shine of the glaze is one of those arguments nobody has settled.

Éclairs sound fancy. They look fancy. But here’s the secret: choux pastry is just flour, butter, eggs, and water—no yeast, no complicated folds. Pipe it, bake it until puffed and golden, then fill with silky vanilla pastry cream. Top with a crackly chocolate ganache. That’s it. Your friends will think you trained in Paris. Let them.

Step-by-Step Instructions

1 1

Make the Choux Pastry

Preheat oven to 400°F (200°C). Line a baking sheet with parchment.
In a saucepan, heat water, milk, butter, sugar, and salt until boiling.
Reduce heat. Add flour all at once. Stir vigorously until dough forms a ball and pulls away from the sides.
Transfer to a bowl. Let cool 5 minutes.
Add eggs one at a time, mixing completely after each. Dough should be shiny and pipeable.

2 2

Pipe and Bake

Pipe 4-inch logs onto the baking sheet.
Bake for 20 minutes at 400°F, then reduce to 350°F (175°C) and bake 10-15 more minutes until deep golden.
Poke a small hole in each to let steam escape. Cool completely.

3 3

Make the Pastry Cream

Heat milk until steaming. Whisk sugar, yolks, and cornstarch in a bowl.
Slowly pour hot milk into yolk mixture while whisking. Return to pan.
Cook until thickened. Remove from heat. Stir in vanilla and butter. Chill completely.

4 4

Make the Ganache

Heat cream until steaming. Pour over chocolate chips. Let sit 2 minutes. Stir until smooth.

5 5

Assemble

Pipe pastry cream into éclairs through the poke holes or slice open.
Dip tops in ganache. Let set for 15 minutes. Serve.

Summary

Prep Time: 45 minutes | Cook Time: 35 minutes | Cooling: 1 hour | Total Time: ~2.5 hours

Yield: 10-12 éclairs

Difficulty: Medium (choux technique matters)

Storage Notes

Best Eaten Fresh:

Éclairs are happiest within 4-6 hours of filling. The pastry stays crisp; the cream stays silky.

How to Store Components:

Baked unfilled shells last 2 days in an airtight container at room temperature. Pastry cream keeps 3 days in the fridge. Fill just before serving.

Freezing Shells:

Freeze baked unfilled éclairs for up to 2 months. Re-crisp in a 350°F oven for 5 minutes before filling.

Pro Tips:

Don’t open the oven during baking—choux needs steady heat to puff.
Poke steam holes immediately after baking to prevent sogginess.
And use whole milk for pastry cream; skim won’t cut it.

The Ingredients

Everything you need.

Prep

45 minutes

Cook

35 minutes

Total

~2.5 hours

Yield

10-12 éclairs

Ingredients

Makes 10-12 éclairs.

For the Choux Pastry (Pâte à Choux):

½ cup water
½ cup whole milk
½ cup (1 stick) unsalted butter, cubed
1 tablespoon sugar
¼ teaspoon salt
1 cup all-purpose flour
4 large eggs, at room temperature

For the Pastry Cream (Crème Pâtissière):

2 cups whole milk
½ cup sugar
4 egg yolks
¼ cup cornstarch
2 teaspoons vanilla extract
2 tablespoons unsalted butter

For the Chocolate Ganache:

½ cup semi-sweet chocolate chips
¼ cup heavy cream

Instructions

1
Make the Choux Pastry. Make the Choux Pastry. Preheat oven to 400°F (200°C). Line a baking sheet with parchment. In a saucepan, heat water, milk, butter, sugar, and salt until boiling. Reduce heat. Add flour all at once. Stir vigorously until dough forms a ball and pulls away from the sides. Transfer to a bowl. Let cool 5 minutes. Add eggs one at a time, mixing completely after each. Dough should be shiny and pipeable. 2 2
2
Pipe and Bake. Pipe and Bake. Pipe 4-inch logs onto the baking sheet. Bake for 20 minutes at 400°F, then reduce to 350°F (175°C) and bake 10-15 more minutes until deep golden. Poke a small hole in each to let steam escape. Cool completely. 3 3
3
Make the Pastry Cream. Make the Pastry Cream. Heat milk until steaming. Whisk sugar, yolks, and cornstarch in a bowl. Slowly pour hot milk into yolk mixture while whisking. Return to pan. Cook until thickened. Remove from heat. Stir in vanilla and butter. Chill completely. 4 4
4
Make the Ganache. Make the Ganache. Heat cream until steaming. Pour over chocolate chips. Let sit 2 minutes. Stir until smooth. 5 5
5
Assemble. Assemble. Pipe pastry cream into éclairs through the poke holes or slice open. Dip tops in ganache. Let set for 15 minutes. Serve
6
Best Eaten Fresh:. Best Eaten Fresh:. Éclairs are happiest within 4-6 hours of filling. The pastry stays crisp; the cream stays silky
7
How to Store Components:. How to Store Components:. Baked unfilled shells last 2 days in an airtight container at room temperature. Pastry cream keeps 3 days in the fridge. Fill just before serving
8
Freezing Shells:. Freezing Shells:. Freeze baked unfilled éclairs for up to 2 months. Re-crisp in a 350°F oven for 5 minutes before filling
9
Pro Tips:. Pro Tips:. Don’t open the oven during baking—choux needs steady heat to puff. Poke steam holes immediately after baking to prevent sogginess. And use whole milk for pastry cream; skim won’t cut it

Swaps & Substitutions

Whole milk in the choux → all water works in a pinch; you lose a little color and tenderness but they still puff
Unsalted butter → if you only have salted, cut the added salt to a pinch in each component
All-purpose flour → bread flour gives a sturdier shell that holds its shape; cake flour is too weak, skip it
Cornstarch in the pastry cream → equal weight of cornstarch is reliable; flour works but needs a longer cook to lose the raw taste
Semi-sweet chocolate chips → chopped bar chocolate melts smoother into the ganache; dark or milk both work, just adjust for sweetness
Heavy cream for ganache → whole milk makes a thinner, glossier glaze that sets soft rather than firm

Questions & Answers

Why did my éclairs come out flat or collapse?

Usually too much egg or an oven door opened too early. Add the last egg gradually and stop at a glossy, thick-ribbon dough, and don't peek until the shells are deep golden and set.

Can I make the parts ahead?

Yes. Pastry cream keeps three days in the fridge with plastic pressed to its surface, and baked shells hold a day in an airtight container or freeze for weeks. Fill and glaze the day you serve so the shells stay crisp.

Why did the bottoms stay soggy or raw inside?

They came out before the steam finished its work. Bake until deep golden, then poke a small hole in each to vent and return them to the off oven for a few minutes to dry.

How do I know the pastry cream is thick enough?

Cook it until it bubbles and coats the back of a spoon, thick enough to hold a line when you drag a finger through. It firms up more as it chills, so pull it just past the first big bubbles.

My ganache is too runny to coat the tops. What happened?

The ratio drifted or the cream was too hot and thin. Let it cool and thicken at room temperature, or stir in a few more chips off the heat until it's dippable.

Éclairs: Fancy French Pastry That’s Actually Easier Than You Think