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Apple Mille-Feuille with Vanilla Custard (Gluten-Free)

Gluten-free French pastry with crisp layers, creamy vanilla custard, and caramelized apples. Elegant and easy to make.
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Prep Time 30 minutes
Cook Time 20 minutes
Total Time 50 minutes
Servings: 4 people
Course: Dessert
Cuisine: French, Gluten-Free
Calories: 350

Ingredients
  

Gluten-Free Puff Pastry
  • 2 sheets gluten-free puff pastry thawed
  • 1 tbsp sugar optional
Vanilla Custard
  • 2 cups whole milk
  • 0.5 cup granulated sugar
  • 4 egg yolks large
  • 3 tbsp cornstarch
  • 2 tbsp unsalted butter
  • 1 tsp vanilla extract or seeds from 1 vanilla bean
Apples
  • 2 medium apples peeled, cored, thinly sliced
  • 2 tbsp unsalted butter
  • 2 tbsp sugar
  • 0.5 tsp cinnamon optional

Equipment

  • Mixing bowls
  • Skillet
  • Baking sheet
  • Whisk
  • Serrated knife

Method
 

  1. Preheat oven to 400°F (200°C). Place puff pastry on parchment-lined baking sheet, prick with fork, sprinkle sugar. Bake 12–15 minutes until golden. Cool.
  2. Heat milk in a saucepan until simmering. In a bowl, whisk egg yolks, sugar, cornstarch. Temper yolks with hot milk. Return to pan, cook until thickened, whisk in butter and vanilla. Chill.
  3. Melt butter in a skillet. Add sugar, cook until dissolved. Add apple slices and cinnamon. Cook 3–5 minutes until slightly softened. Cool.
  4. Cut puff pastry into rectangles. Layer puff pastry, custard, and caramelized apples. Repeat for desired height. Top with puff pastry and dust with powdered sugar.
  5. Serve immediately or refrigerate up to 24 hours. Slice carefully with serrated knife.

Notes

For a taller mille-feuille, double the custard and apple layers. Gluten-free puff pastry should be handled cold for best flakiness.