Napoleon Cake with Butter Pastry and Vanilla Custard
Layered puff-style cake with buttery pastry sheets and vanilla egg custard.
Napoleon layers crisp, flaky pastry with a thick vanilla custard, then rests overnight until tender. Roll the dough very thin and bake the layers separately; chill the assembled cake long enough for the custard to soften them. Rub cold butter into flour and salt until coarse crumbs form. Whisk 2 eggs with cold water, add to flour and mix just until dough comes together. Chill 40 minutes. Heat oven to 200°C (400°F). Divide dough into 8 portions, roll each paper-thin and bake separately 8 to 10 minutes until pale gold. Save crumbs from trimming. Heat milk until steaming. Whisk 4 eggs, sugar and cornstarch. Slowly whisk in hot milk, return to saucepan and cook while whisking until thick and bubbling. Remove from heat; stir in vanilla and butter. Cool with wrap on surface.
Recipe card
Napoleon Cake with Butter Pastry and Vanilla Custard
Equipment: Mixing bowl, measuring tools and suitable pan
Ingredients
Instructions
Make pastry dough
Rub cold butter into flour and salt until coarse crumbs form. Whisk 2 eggs with cold water, add to flour and mix just until dough comes together. Chill 40 minutes.
Bake layers
Heat oven to 200°C (400°F). Divide dough into 8 portions, roll each paper-thin and bake separately 8 to 10 minutes until pale gold. Save crumbs from trimming.
Cook custard
Heat milk until steaming. Whisk 4 eggs, sugar and cornstarch. Slowly whisk in hot milk, return to saucepan and cook while whisking until thick and bubbling. Remove from heat; stir in vanilla and butter. Cool with wrap on surface.
Assemble
Layer pastry sheets with custard, reserving some for sides. Spread remaining custard over top and sides; coat with pastry crumbs.
Chill
Refrigerate at least 8 hours, preferably overnight, before slicing.
How to tell when it is ready
Custard is thick and bubbling gently before cooling; pastry layers are pale gold.
Tips
- Measure ingredients before starting.
- Use room-temperature ingredients when appropriate.
- Taste and adjust seasoning near the end.
- Cool and store leftovers promptly.
Troubleshooting
- If mixture is too thick, add liquid gradually.
- If browning too quickly, lower the heat.
Substitutions
- Use a suitable neutral oil if needed.
- Choose a compatible dairy-free alternative if appropriate.
Variations
- Adjust herbs or spices to taste.
- Add citrus zest for a brighter flavor.
Serving suggestions
- Serve with fresh fruit or vegetables.
- Pair with a simple salad or suitable side.
- Offer fresh herbs or a complementary sauce.
- Serve warm for the best texture.
Make ahead
Measure ingredients ahead and refrigerate perishable components; finish shortly before serving.
Storage
Refrigerate promptly and use within 3 days.
Food safety
Contains wheat, egg and dairy. Keep cake refrigerated; custard must be fully cooked and cooled promptly.
Frequently asked questions
Can I prepare this ahead?
Prepare components ahead and refrigerate promptly.
How should I store napoleon cake with vanilla custard?
Refrigerate promptly and use within 3 days.
Serve promptly and store leftovers safely.
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