Lazy Napoleon Cake with Pistachio Custard Cream and Raspberries

This cake came from traditional Slavic napoleon recipe, but this version of Lazy Napoleon Cake with Pistachio Custard Cream is so simple and easy to make. Raspberry Pistachio Napoleon features ultra-flaky pastry layers paired with a rich, silky pastry cream made with pistachio paste. The custard-style cream (pastry cream) is perfectly smooth, lightly nutty, and incredibly aromatic, a luxurious upgrade to the traditional Napoleon filling. Fresh raspberries add natural brightness, balancing the sweetness with a soft tang and creating a beautiful contrast of flavors, but still easy to make.

Equipment Needed

• Saucepan
• Whisk
• Mixing bowl
• Baking mat (for easiest result minimum 4)
• Cooling rack
• spatula
• Turntable for Cake
• Cake stand or serving plate
• cake board

Ingredients for Crunchy Napoleon Cake with Pistachio Cream and Raspberries

Pastry Layers:

• 18 squares of puff pastry
• A little flour for rolling 

Pistachio Custard Cream:

• Milk – 400 ml (1 ⅔ cups) 
• Egg yolks– 4 
• Powdered sugar– 115 g (½ cup) 
• Cornstarch– 50 g (6 tbsp.) 
• Pistachio paste – 80 g (⅓ cup) 
• Butter– 100 g (7 tbsp.), cold and cubed 

Filling & Decoration:

• Fresh raspberries 150–200 g (1–1 ½ cups) 
• Crushed pastry scraps for coating 

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Instructions for Napoleon Cake with Pistachio Cream and Raspberries (Dubai style)

Bake the Pastry Layers

• 1. Let the puff pastry squares thaw at room temperature for 20–30 minutes
• 2. Preheat the oven to 400°F (200°C). 
• 3. Roll out each pastry square thinly (about 2 mm thick). Poke holes with a fork to prevent bubbling. 
• 4. Cut out 7-inch (18 cm) circles or adjust to your desired cake size (note that pastry shrinks by about 1 inch when baked). 
• 5. Bake for 8–10 minutes until golden brown. Let cool completely. 
• 6. You’ll need 15 pastry layers for the cake, plus a few extra for crumbs. 

 Make the Pistachio Custard Cream 

• 1. In a saucepan, whisk together milk, egg yolks, powdered sugar, and cornstarch until smooth. 
• 2. Heat over medium heat, stirring constantly, until it thickens (about 3–5 minutes). 
• 3. Stir in pistachio paste and mix until well combined. 
• 4. Remove from heat and add cold butter. Stir until fully incorporated.  
• 5. Transfer the custard to a bowl, cover with plastic wrap (pressing it directly onto the surface), and refrigerate for 2–3 hours (preferably overnight). 

 Assemble the cake

• 1. Prepare a springform cake pan that fits the size of your pastry layers. 
• 2. Line the inside with plastic wrap for easy removal. 
• 3. Place the first pastry layer at the bottom of the mold. 
• 4. Spread a thin layer of pistachio custard and add a few raspberries. 
• 5. Repeat the process with the remaining layers, alternating custard and raspberries. 
• 6. Spread custard over the top layer. 
• 7. Cover with plastic wrap and refrigerate for 4–6 hours (preferably overnight).

(This method helps the cake hold its shape, absorb the flavors, and makes it easy to remove from the mold)

Final Touches

• 1. Carefully remove the cake from the mold by lifting the plastic wrap. 
• 2. Transfer it to a serving plate. 
• 3. Coat the sides with crushed pastry crumbs. 
• 4. Decorate the top with fresh raspberries and chopped pistachios (optional). 
• 5. Let the cake sit at room temperature for 30 minutes before serving. 

More Easy Dessert Recipes You’ll Love

If you enjoyed this Lazy Pistachio Napoleon Cake, here are a few more our favorite desserts recipes:

Easy Lemon Tiramisu – A bright and refreshing no-fuss dessert packed with lemon flavor.

Invisible Apple Cake – Thin layers of apples baked into a delicate French-style cake that practically melts in your mouth.

My personal favorite: Honey Cake (Medovik) – Soft honey layers with a rich cream filling, a classic Slavic dessert everyone loves.

5-Minute Strawberry Mug Cake – The perfect quick dessert when you’re craving something sweet but don’t want to spend hours in the kitchen.

Chewy Salted Caramel Chocolate Chip Cookies – Bakery-style cookies with crispy edges and gooey chocolate centers.

Tips for the Best Pistachio Napoleon Cake

• Make the pistachio custard the night before. Chilling overnight gives the cream time to thicken and develop a richer pistachio flavor.
• Let the puff pastry cool completely before assembling. Warm pastry can melt the cream and make the layers slide.
• Don’t overfill the layers. A thin, even layer of cream between each sheet creates the perfect balance of crisp pastry and creamy filling.
• Use fresh raspberries whenever possible. Their slight tartness balances the sweetness of the pistachio cream beautifully.
• Save some pastry crumbs for decoration. Crushed baked pastry adds texture and gives the cake that classic Napoleon look.
• Allow the cake to rest before serving. For a softer, traditional Napoleon texture, refrigerate for 6–12 hours before slicing. For a crispier texture, serve within 1–2 hours after assembling.
• Use high-quality pistachio paste. The better the pistachio paste, the richer the flavor and the more vibrant the natural green color. Pistachio Paste
• Pat the raspberries dry. Excess moisture can soften the pastry layers faster than desired.
• Use a serrated knife for clean slices. This helps preserve the beautiful layers without squishing the cream.
• This cake tastes even better the next day. The flavors blend together while the pastry softens into that classic bakery-style Napoleon texture.

Common Mistake to avoid for Lazy Crunchy Napoleon Cake

• Using warm custard when assembling the cake.
• Overbaking the puff pastry until it becomes too dark and bitter.
• Adding too many raspberries, which can make the layers unstable.
• Skipping the chilling time before slicing.
• Using salted pistachio paste, which can overpower the delicate flavor of the cream.