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Vanilla Custard Slice in Mille-Feuille Style

  • Author: joe
  • Total Time: 60 minutes
  • Yield: 8 servings 1x
  • Diet: Vegetarian

Description

A delightful dessert marrying layers of flaky pastry with rich vanilla custard, perfect for family gatherings.

Ingredients

Scale
  • 1 package puff pastry
  • 2 cups whole milk (or dairy-free alternative)
  • 3 large eggs
  • ½ cup granulated sugar
  • 1 vanilla bean (or 1 tablespoon vanilla extract)
  • 2 tablespoons cornstarch
  • 2 tablespoons unsalted butter (or coconut oil)
  • a pinch of salt

Instructions

  1. Preheat your oven to 400°F (200°C). Roll out your puff pastry on a lightly floured surface. Cut it into rectangles, about 3×5 inches. Place them on a lined baking sheet and poke holes in each with a fork to prevent puffing. Bake for 15-20 minutes or until golden brown. Let cool completely.
  2. In a saucepan, combine 2 cups of whole milk, ½ cup sugar, and a pinch of salt. Heat over medium until warm. In a separate bowl, whisk 3 large egg yolks with 2 tablespoons of cornstarch. Slowly add the warm milk mixture to the yolks, whisking continuously to temper the eggs.
  3. Return the mixture to the saucepan and cook over medium heat, stirring constantly, until thickened—about 6 minutes. Stir in the vanilla bean seeds or extract, and add 2 tablespoons of butter. Remove from heat and let cool.
  4. Place one pastry rectangle on a serving plate. Spread a generous layer of vanilla custard on top. Add another pastry layer, followed by more custard. Repeat until you reach the desired height, finishing with pastry on the top layer.
  5. Refrigerate the assembled slice for at least 2 hours before serving. Dust with powdered sugar for a polished finish.

Notes

Keep your pastry ingredients cold for the best flakiness. Allow custard to cool properly for the right texture.

  • Prep Time: 30 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: French

Nutrition

  • Serving Size: 1 slice
  • Calories: 320
  • Sugar: 25g
  • Sodium: 150mg
  • Fat: 15g
  • Saturated Fat: 9g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 40g
  • Fiber: 1g
  • Protein: 6g
  • Cholesterol: 100mg

Keywords: Vanilla Custard, Mille-Feuille, Dessert Recipe, French Pastry, Baking

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Find it online: https://ramsaydishes.com/2026/03/13/vanilla-custard-slice-mille-feuille-style/