1. Prepare the Choux Pastry: In a medium saucepan, combine water, milk, butter, sugar, and salt. Bring to a boil over medium heat. Once boiling, remove from heat and quickly stir in the flour until a smooth dough forms. Return the saucepan to low heat and cook, stirring constantly, for 1-2 minutes to dry out the dough slightly.

2. Beat in Eggs: Transfer the dough to a mixing bowl and let it cool for a few minutes. Gradually beat in the eggs, one at a time, until the dough is smooth and shiny.

3. Pipe and Bake: Preheat your oven to 400°F (200°C). Transfer the choux pastry dough to a piping bag fitted with a large round tip. Pipe 4-inch long strips onto a baking sheet lined with parchment paper, leaving space between each eclair. Bake for 15 minutes, then reduce the oven temperature to 350°F (175°C) and continue baking for an additional 20-25 minutes, or until golden brown and puffed. Remove from the oven and let cool completely.

4. Prepare the Custard Filling: In a saucepan, heat the milk until steaming but not boiling. In a separate bowl, whisk together the sugar, egg yolks, and cornstarch until smooth. Gradually pour the hot milk into the egg mixture, whisking constantly. Return the mixture to the saucepan and cook over medium heat, stirring constantly, until thickened. Remove from heat and stir in the vanilla extract. Transfer the custard to a bowl, cover with plastic wrap (pressing it directly onto the surface of the custard), and refrigerate until chilled.

5. Fill the Eclairs: Once the eclairs and custard are completely cooled, use a piping bag fitted with a small round tip to fill each eclair with the custard.

6. Make the Chocolate Ganache: In a small saucepan, heat the heavy cream until it just begins to simmer. Remove from heat and add the chopped chocolate. Let sit for 1-2 minutes, then stir until smooth and glossy.

7. Top the Eclairs: Dip the top of each eclair into the chocolate ganache, allowing any excess to drip off. Place the dipped eclairs on a wire rack set over a baking sheet to allow the ganache to set.

8. Serve and Enjoy: Once the ganache has set, your classic chocolate eclairs are ready to be enjoyed! Serve them immediately for the ultimate indulgence, or store them in the refrigerator for later.

Tips for Success

– Be sure to fully cook the choux pastry dough on the stovetop before adding the eggs. This helps remove excess moisture and ensures the pastry puffs up properly in the oven.
– When piping the eclairs, try to keep them as uniform in size as possible for even baking.
– For a fun twist, you can also fill the eclairs with flavored whipped cream or pastry cream instead of custard.
– Don’t skip the step of covering the custard with plastic wrap while it chills in the refrigerator. This prevents a skin from forming on the surface.

Conclusion

Congratulations, you’ve mastered the art of classic chocolate eclairs! With their delicate pastry shells, luscious custard filling, and decadent chocolate ganache topping, these pastries are sure to impress anyone lucky enough to taste them. So gather your ingredients, preheat your oven, and get ready to embark on a delicious baking adventure. Your taste buds will thank you!