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Pistachio Eclairs

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Elegant and nutty, these Pistachio Eclairs feature crisp choux pastry filled with a silky pistachio custard and topped with a smooth glaze and chopped pistachios.

Ingredients

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  • 1 cup all-purpose flour
  • 1/2 cup unsalted butter
  • 1 cup water
  • 1/4 teaspoon salt
  • 4 large eggs
  • 2 cups milk
  • 1/2 cup sugar
  • 3 tablespoons cornstarch
  • 4 egg yolks
  • 1/2 cup finely ground pistachios
  • 1 teaspoon vanilla extract
  • 1/2 cup powdered sugar (for glaze)

Instructions

  1. Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
  2. In a saucepan, combine water, butter, and salt. Bring to a boil, then add flour and stir vigorously until dough forms and pulls away from the pan.
  3. Transfer dough to a bowl. Let cool slightly. Add eggs one at a time, beating until smooth and glossy.
  4. Pipe dough into 4-inch strips on the baking sheet. Bake for 20 minutes, reduce heat to 350°F (175°C), and bake another 10–15 minutes. Cool completely.
  5. For filling, heat milk and ground pistachios in a saucepan. In a bowl, whisk egg yolks, sugar, cornstarch, and a splash of milk.
  6. Slowly whisk hot milk into yolk mixture, return to heat, and cook until thick. Stir in vanilla, then chill completely.
  7. Slice eclairs and fill with chilled pistachio custard.
  8. Mix powdered sugar with a bit of milk and optional pistachio paste for glaze. Dip tops of eclairs and garnish with chopped pistachios.

Notes

  • Cool dough slightly before adding eggs to avoid scrambling.
  • Chill custard fully before piping to set properly.
  • Fill just before serving to keep pastry crisp.