French Éclair Recipe with Crème Pâtissière Filling

Éclairs have a reputation for being difficult. They're not - they just need you to follow the steps without shortcuts. I've made these dozens of times and broken down exactly where things go wrong, so you don't have to figure it out the hard way.

This French éclair recipe gives you light, airy choux pastry filled with real crème pâtissière - the classic French custard filling - and finished with a chocolate ganache topping. No instant pudding, no whipped cream shortcuts. The real thing.

This French éclair recipe makes 18 éclairs. You can bake the shells a day ahead and fill them right before serving. Once you make these once, you'll realize the intimidation was never justified.

What Is Choux Pastry?

Choux pastry (pâte à choux) is a cooked dough made from butter, water, flour, and eggs. Unlike most pastry, there's no leavening agent - the steam trapped inside the dough during baking is what makes it puff up and hollow out.

The name comes from the French word for cabbage - choux - because the small puffs resemble little cabbages. Éclairs, cream puffs, and profiteroles are all made from the same base dough. The same dough also makes these baked churros - a great place to start if you've never worked with choux before.

The key to good choux: cook the dough on the stove first (this dries it out), then beat in the eggs one at a time until you get a smooth, glossy, pipeable dough that holds a shape when you lift it with a spoon.

Choux Pastry Ingredients

*See the recipe card for full information on ingredients and quantities.

• Flour: Use all-purpose flour, not bread flour or cake flour. The protein level in all-purpose flour gives the shells the right structure.
• Eggs: Room temperature eggs incorporate more easily. If you forgot to take them out of the fridge, put them in warm water for 10 minutes.

What Is Crème Pâtissière (Éclair Filling)?

Crème pâtissière - also called pastry cream - is the classic French éclair filling. It's a thick, silky vanilla custard made from whole milk, egg yolks, sugar, cornstarch, and vanilla. It's richer than pudding and more stable than whipped cream, which is why it's used in professional pastry.

To make it: whisk the egg yolks, sugar, and cornstarch together, heat the milk separately, then combine them and cook over medium heat until the mixture thickens into a smooth, pourable custard. Cover with plastic wrap pressed directly onto the surface to prevent a skin from forming, and refrigerate until cold.

Good crème pâtissière is the difference between an okay homemade éclair and a great one. Don't substitute instant pudding - the flavor and texture aren't the same. The real version takes 10 minutes and is worth every second.

Crème Pâtissière Ingredients

*See the recipe card for full information on ingredients and quantities.

• Milk: Whole milk only for the crème pâtissière. Lower-fat milk makes a thinner, less stable filling.
• Vanilla: Vanilla bean paste gives the best flavor and those characteristic black specks. Pure vanilla extract works too. Skip imitation vanilla.

French Éclair Filling Ideas

Crème pâtissière is the classic and the one this recipe uses. But once you've made the eclair shells, the filling is easy to change up.

1. Classic crème pâtissière: Vanilla custard - the authentic French éclair filling. Rich, silky, and not too sweet.
2. Chocolate pastry cream: Make the base crème pâtissière and whisk in 3 tablespoons of cocoa powder and 1 oz of finely chopped dark chocolate while it's still hot.
3. Coffee pastry cream: Add 1-2 teaspoons of instant espresso powder to the milk before heating. Pairs beautifully with the chocolate glaze.
4. Whipped cream: Lighter and faster. Use cold heavy cream whipped with 2 tablespoons of powdered sugar and a teaspoon of vanilla. Works best if you serve the éclairs within a few hours.
5. Diplomat cream: Fold lightly whipped cream into the chilled crème pâtissière for a lighter, airier texture. This is a classic French variation.
6. Caramel pastry cream: Stir in 3-4 tablespoons of thick caramel sauce into the finished crème pâtissière. Top with salted caramel glaze instead of chocolate.
7. Fruit compote: Fresh berry sauce works beautifully as a lighter filling. Try my quick 4-ingredient berry sauce - it takes 5 minutes and pairs perfectly with whipped cream inside the shell.
8. Dubai chocolate filling: The viral trend works here. Fill with whipped cream mixed with crushed kataifi pastry and pistachio cream, then glaze with milk chocolate. Serve immediately - the kataifi softens quickly.

🔧 Éclair Troubleshooting - Why Did Mine Go Wrong?

• My éclairs shells came out flat
  • The most common problem. Usually caused by one of three things: the choux pastry dough was too wet (too many eggs or the dough wasn't dried out enough on the stove), the oven wasn't hot enough to start, or the oven door was opened during baking. The shells need that initial blast of heat to puff up fast. Make sure your oven is fully preheated and don't open the door for the first 15 minutes.
• My éclairs cracked on top
  • A little cracking is normal and actually a good sign - it means steam escaped properly. Lots of cracking usually means the oven temperature was too high, the piping tip was round instead of star-shaped, or the dough was too stiff. Use a star tip and don't pipe the logs too thick.
• My éclairs are soggy inside
  • Two causes: they weren't baked long enough, or they weren't vented after baking. Make sure they're deep golden brown before you take them out - pale shells will collapse and go soggy as they cool. Always poke a hole in the bottom immediately after baking to release trapped steam.
• My crème pâtissière is lumpy
  • This happens when the mixture heats unevenly, or you stop whisking. Keep whisking the whole time it's on the heat. If you end up with lumps, push the finished cream through a fine mesh strainer before chilling.
• My dough looks broken and greasy when I add the eggs
  • Don't panic - this is normal. Keep beating. The dough will come together into a smooth, glossy paste. If it looks curdled, just keep going for another minute.
• My éclairs didn't puff up at all
  • Check that the butter was fully melted and the water was boiling before you added the flour. If the liquid were only warm, the flour wouldn't cook properly, and the dough wouldn't have enough structure to puff. Also, make sure you dry the dough on the stove for a full 2 minutes.

💭 Expert Tips

• Use a kitchen scale. Choux pastry is sensitive to ratios - measuring by weight is much more accurate than cups.
• Room temperature eggs only. Cold eggs make the dough stiff and hard to pipe.
• Don't skip drying the dough on the stove. Those 2 minutes over heat remove moisture that would otherwise make the shells collapse.
• The V-shape test: lift a spoonful of dough and let it fall back in. It should form a V shape and fall slowly. Too stiff means add more egg; too runny means you added too many.
• Spray the tops with water before baking. This small step makes a real difference to how much the shells puff.
• Never open the oven door during the first 15 minutes. The steam inside the shells is what makes them puff - opening the door lets it escape too early.
• Bake until deep golden brown. Pale shells will collapse as they cool. If in doubt, give them 5 more minutes.
• Shells can be made a day ahead. Store unfilled in an airtight container at room temperature. Fill and glaze on the day you're serving.
• Fill from the bottom. Poke 2-3 holes and pipe from underneath - it keeps the top of the éclair looking clean.
• For the chocolate glaze, I use my 3-ingredient chocolate ganache - it sets beautifully on éclairs and takes 5 minutes.

🛠 Essential Tools for Perfect French Éclairs

• Kitchen scale: Non-negotiable for choux pastry. Use it.
• Half-sheet baking pan: Bake one tray at a time for even heat distribution.
• Piping bags: Reusable bags give you better control, but disposable ones work fine.
• French star tip (½ inch): Creates the ridges that help éclairs bake without cracking. A round tip works in a pinch - drag a fork lightly down each piped log before baking.
• Filling tip: A long thin tip (Bismarck tip) makes filling neat and easy. Alternatively, a small round tip works too.
• Parchment paper or Silpat: Never bake directly on the pan - the bottoms will burn.
• Wire cooling rack: Essential. Éclairs need airflow to cool without going soggy.
• Spray bottle: A small water spray bottle for misting the tops before baking.

Storage

Filled éclairs: Store in an airtight container in the refrigerator for up to 2 days. The pastry will soften slightly over time - day 1 is always best.

Unfilled shells: Store at room temperature in an airtight container for up to 1 day, or freeze for up to 1 month. Reheat frozen shells at 300°F (150°C) for 5 minutes to crisp them up before filling.

Crème pâtissière: Make up to 3 days ahead. Keep refrigerated with plastic wrap pressed directly onto the surface.

Can you freeze éclairs?: Freeze the shells only - unfilled and unglazed. Freeze flat on a baking sheet first, then transfer to a freezer bag. Fill and glaze after thawing.

Do éclairs need to be refrigerated?: Yes. Once filled with crème pâtissière, éclairs must be refrigerated. The custard filling is dairy-based and perishable. Don't leave filled éclairs at room temperature for more than 2 hours.

❓French Éclair Recipe with Crème Pâtissière FAQs

You Might Also Like ...

Tried this recipe? Give it a star rating below! ⭐⭐⭐⭐⭐

HUNGRY FOR MORE? Subscribe to my newsletter and follow along on Facebook, Pinterest, and Instagram for the latest updates.

📖 Recipe

French Éclair Recipe with Crème Pâtissière

Claudia Ciorteanu

Light, airy choux pastry filled with silky crème pâtissière and finished with a chocolate ganache topping. This is the authentic French éclair recipe - step-by-step, with all the troubleshooting tips built in.

5 from 23 votes

Cook ModePrevent your screen from going dark

Print Recipe Pin Recipe Save Recipe Saved Recipe! Start Cooking

Prep Time 30 minutes mins

Cook Time 35 minutes mins

Total Time 2 hours hrs

Course Desserts

Cuisine French

Servings 18

Calories 176 kcal

Video

Equipment

• ▢
  1 electric mixer
• ▢
  3 piping bags disposable or reusable
• ▢
  1 small nozzle
• ▢
  1 large nozzle

Ingredients

 

US CustomaryMetric

 

1x2x3x

Choux Pastry

• ▢ ⅔ cup water
• ▢ ⅓ cup unsalted butter diced
• ▢ 1 tablespoon granulated sugar
• ▢ 1 pinch fine sea salt
• ▢ 1 cup all-purpose flour
• ▢ 3 large eggs room temperature

Crème Pâtissière

• ▢ 2 cups whole milk
• ▢ ⅓ cup of granulated sugar
• ▢ ⅓ cup cornstarch
• ▢ 2 large egg yolks
• ▢ 1 teaspoon vanilla bean paste (or pure vanilla extract)

You can replace the creme patissiere with vanilla pudding. Make it according to the package instructions.

Assembly

• ▢ 1 portion chocolate glaze find the recipe for my 3 Ingredient Chocolate Ganache here
• ▢ Ground pistachios for garnish (optional)

Instructions

 

• Making the Choux Pastry: Preheat your oven to 450°F (230°C). Do not use convection/fan for this stage.

  In a medium saucepan over medium heat, combine the water, butter, sugar, and salt. Bring to a full boil, stirring until the butter is completely melted.
  ⅔ cup water, ⅓ cup unsalted butter, 1 pinch fine sea salt, 1 tablespoon granulated sugar
• Remove from heat and add all the flour at once. Stir vigorously with a wooden spoon until the mixture comes together into a smooth ball that pulls away from the sides of the pan. Mix using an electric mixer or a wooden spoon until completely smooth and set aside to chill.
  1 cup all-purpose flour
• Return to medium-low heat and cook, stirring constantly, for about 2 minutes. This step dries out the dough - don't skip it. The dough is ready when a thin film forms on the bottom of the pan.
• Transfer to a mixing bowl and let cool for 5 minutes. The dough needs to be warm but not so hot that it cooks the eggs when you add them.
• Add the eggs one at a time, beating well after each addition with a hand mixer or wooden spoon. The dough will look broken and lumpy at first - keep beating, it comes together. The finished dough should be smooth, glossy, and form a V shape when you lift the spoon.
  3 large eggs
• Pipe and Bake: Transfer to a pastry bag fitted with a 1.5 cm ½-inch French star tip (or a round tip), or to a disposable piping bag with a 1.5 cm cut off at the end. The star tip creates ridges that help the éclair bake evenly and reduces cracking.
• Line a baking sheet with parchment paper. Pipe 4-inch logs, holding the bag at a 45-degree angle. Leave at least 2 inches between each one - they spread.

  Lightly spray the tops with water from a spray bottle. This creates extra steam in the oven and helps them puff.
• Bake at 450°F (230°C) for 15 minutes without opening the oven door. Then reduce heat to 340°F (170°C), switch to convection if you have it, and bake for another 20 minutes until deep golden brown.

  Remove from oven. Immediately poke a small hole in the bottom of each éclair with a skewer to let steam escape. Place on a wire rack and cool completely before filling - at least 30 minutes.
• Make the Crème Pâtissière: In a medium saucepan, combine the milk, sugar, cornstarch, egg yolks, and vanilla. Whisk everything together until smooth - no lumps.

  Place over medium heat and cook, whisking constantly, for 7-10 minutes. The mixture will start to thicken as it heats. Keep whisking so the bottom doesn't scorch.
  2 cups whole milk, ⅓ cup of granulated sugar, ⅓ cup cornstarch, 2 large egg yolks, 1 teaspoon vanilla bean paste
• When it thickens to a pudding-like consistency and starts to bubble, remove from heat. Use a hand mixer or whisk vigorously for 30 seconds to make it completely smooth.
• Pour into a bowl and press plastic wrap directly onto the surface - this prevents a skin from forming. Refrigerate for at least 2 hours, or overnight. Before filling the éclairs, whisk briefly to loosen it back up to a smooth, pipeable consistency.
• Fill and Glaze: Transfer the chilled crème pâtissière to a piping bag fitted with a long, thin filling tip (or a small round tip). Poke 2-3 small holes in the bottom of each éclair shell. Insert the tip and fill each one - you'll feel it get heavier as the filling goes in. Don't overfill or the shell will crack.
• Dip the top of each filled éclair into the chocolate glaze, letting the excess drip off. Set right-side up on a wire rack. Sprinkle with ground pistachios if using.

  Refrigerate for at least 1 hour before serving to let the glaze set and the filling firm up.
  1 portion chocolate glaze, Ground pistachios

Notes

• Make the crème pâtissière first - it needs at least 2 hours to chill before you can use it.
• The shells can be baked a day ahead. Store unfilled at room temperature in an airtight container and fill on the day of serving.
• Freeze unfilled shells for up to 1 month. Reheat at 300°F (150°C) for 5 minutes before filling.
• If your dough looks broken when you add the eggs, keep beating - it always comes back together.
• Filled éclairs must be refrigerated. Consume within 2 days.

Nutrition

Calories: 176kcalCarbohydrates: 16gProtein: 3gFat: 11gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gTrans Fat: 0.2gCholesterol: 72mgSodium: 28mgPotassium: 90mgFiber: 1gSugar: 9gVitamin A: 354IUVitamin C: 0.04mgCalcium: 51mgIron: 1mg

Tried this recipe?Let us know how it was!