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+ servings
Lemon pastry cream for filling

Lemon Pastry Cream

Smooth, citrusy, and just the right balance of tangy and sweet.
Prep Time: 20 minutes
Steep Time: 30 minutes
Total Time: 50 minutes
Course: Dessert
Cuisine: French
Keyword: Cream Patisserie, Lemon, Lemons, Pastry Cream
Servings: 2.25 cups

Ingredients

  • 1 3/4 cups milk ~420g
  • 2 lemons medium
  • 4 egg yolks medium or large (about 60-70g)
  • 4 tablespoons cornstarch ~40g
  • 7 tablespoons sugar ~87g
  • 1 teaspoon vanilla extract
  • 2 tbsp unsalted butter ~28g

Instructions

  • Wash Lemons: Rinse under running water and optionally soak in a baking soda solution to remove pesticides.
    2 lemons
  • Zest and Juice: Use a microplane or zester to remove the zest, then juice the lemons.
  • Infuse Milk: Heat the milk with lemon zest until bubbles form at the edges, then turn off the heat and let it steep for 20-30 minutes.
    1 3/4 cups milk
  • Mix Yolks: While the milk heats, whisk yolks, cornstarch, and 2 tablespoons of the milk mixture (while it's still lukewarm) in a bowl.
    4 egg yolks, 4 tablespoons cornstarch
  • Boil Milk: Add the vanilla extract and sugar to the infused milk and bring it back to a boil, then remove from heat.
    1 teaspoon vanilla extract, 7 tablespoons sugar
  • Temper Yolks: Slowly add hot milk to the egg mixture, whisking constantly to avoid curdling.
  • Cook Cream: Return the mixture to the pot and cook on low heat, stirring constantly until thickened and bubbly.
  • Finish Cream: Remove from heat, whisk for an additional minute.
  • Add Butter and Lemon Juice: Stir in butter until melted, then add the lemon juice.
    2 tbsp unsalted butter
  • Taste and Adjust: Test the flavor and adjust sweetness or tanginess as needed.
  • Strain (Optional): Strain to remove zest or any lumps for a smoother texture.
  • Cool and Chill: Cover with plastic wrap touching the surface and cool at room temperature for 30 minutes, then refrigerate.
  • Prepare for Use: Whisk chilled pastry cream until smooth before using.
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