This Tiramisu Icebox Cake is a rich, creamy no-bake dessert layered with bold coffee flavour, smooth mascarpone cream, and a silky chocolate ganache topping. I have combined the classic icebox cake with tiramisu and I am loving it! The layers of petit beurre biscuits dipped in coffee set so well with the mascarpone cream and the more this dessert gets older, the better it tastes!
Why you will love this recipe?
This dessert combines everything you love about classic tiramisu in an easy icebox cake format. It’s a no-bake dessert that looks impressive but is surprisingly simple to assemble. Because it needs to chill overnight, it’s perfect for entertaining and special occasions. The flavours deepen beautifully as it rests, making it even better the next day.
Expert Tips for Best Results!
- Use Cold Mascarpone and Cream – Cold ingredients whip better and create a stable, airy tiramisu cream. Avoid overbeating mascarpone, as it can turn grainy.
- Chill Overnight for Best Results – Although 8 hours is the minimum, overnight chilling allows the biscuits to fully soften and the flavours to develop deeply, giving you a true tiramisu-style dessert.
- Slice with a Warm Knife – For clean slices, dip a knife in hot water, wipe it dry, and cut. This helps glide through the ganache and cream layers smoothly.
- Do Not Overheat the Egg Mixture – Keep the heat gentle and make sure the bowl does not touch the simmering water. Overheating can cause curdling and affect the smooth texture of your mascarpone cream.
- Whisk the Sabayon Properly – When cooking the egg yolks and sugar over a double boiler, whisk constantly until the mixture becomes pale, thick, and fluffy. This step creates a stable, creamy tiramisu base and prevents the eggs from scrambling.
How to make Tiramisu Icebox Cake (Petit Beurre)?
Step 1: Prepare the mascarpone base
In a heatproof bowl, whisk the egg yolks and sugar together. Place the bowl over a saucepan of gently simmering water (double boiler method) and whisk continuously until the mixture becomes pale, thick, and creamy. This creates a rich sabayon that forms the foundation of your classic tiramisu flavour. Remove from heat, stir in vanilla extract and a pinch of salt, and allow it to cool completely.
Step 2: Make the creamy mascarpone filling
In a large mixing bowl, beat the mascarpone cheese with the remaining sugar until smooth and lump-free. Add cold heavy whipping cream and whip until soft, fluffy peaks form. Gently fold the cooled sabayon into the whipped mascarpone mixture to create a light, airy, and luxurious tiramisu cream.
Step 3: Prepare the chocolate ganache topping
Heat heavy cream until just simmering, then pour it over chopped chocolate. Let it sit for a minute before stirring until smooth and glossy. Allow the ganache to cool slightly until thick but pourable.
Step 4: Prepare the coffee soak
Dissolve instant coffee in hot water, then stir in milk to balance the strength. This espresso-style coffee mixture enhances the authentic tiramisu taste and adds deep, bold flavour to every layer.
Step 5: Layer the tiramisu icebox cake
Dip each biscuit generously into the coffee mixture, ensuring it absorbs flavour without becoming overly soggy. Arrange a single layer at the base of your dish. Spread a generous layer of mascarpone cream evenly over the biscuits. Add another layer of coffee soaked biscuits, then the mascarpone cream. Again add the layer of coffee soaked biscuits.
Step 6: Finish and chill
Pour the silky chocolate ganache over the top layer and spread evenly. Cover and refrigerate for at least 8 hours, preferably overnight, to allow the flavours to develop and the layers to set perfectly.
Step 7: Serve and enjoy
Once fully chilled, dust with some cocoa powder if you like. Slice cleanly and serve.
Frequently Asked Questions
Can I replace petit beurre biscuits with ladyfingers?
Yes. Ladyfingers (savoiardi) can be used for a more traditional tiramisu texture. Dip them briefly, as they soften much faster than petit beurre biscuits. You can even use marie biscuits or any other biscuit you like.
How long does Tiramisu Icebox Cake last in the fridge?
Store covered in the refrigerator for up to 3–4 days. The texture becomes even softer over time as the biscuits absorb moisture.
Does this taste like traditional tiramisu?
Yes, it has the classic flavors of mascarpone cream, coffee-soaked biscuits, and chocolate. The petit beurre gives it a slightly firmer, sliceable structure, making it perfect for serving in squares.
Watch How to Make it!
Video Coming Soon!
Recipe Card
Tiramisu Icebox Cake
This indulgent Tiramisu Icebox Cake is a creamy, coffee-infused no-bake dessert layered with luscious mascarpone filling and finished with a smooth chocolate ganache. Inspired by classic Italian tiramisu, this easy make-ahead cake delivers rich espresso flavour, velvety texture, and elegant presentation in every slice.
Ingredients
For Tiramisu Cream:
- 5 large egg yolks
- 175g sugar (3/4 + 2tbsp cup, adjust to taste)
- 500g mascarpone (about 2 cups)
- 450g heavy whipping cream (1 & 1/2 cups)
- 1 tbsp vanilla extract
- Pinch of salt
- ~ 50 petit beurre biscuits
For Coffee Soak:
- 1 1/2 cups hot water (360 ml)
- 1/2 cup hot milk (120 ml)
- 3 tbsp instant coffee powder
For Chocolate Ganache:
- 200g chopped dark chocolate (about 1 1/4 cups)
- 240–250g heavy cream (1 cup)
Instructions
- In a bowl, add 5 egg yolks and 1/2 cup of sugar. Transfer the bowl to a pot of simmering water making sure that the bottom of the bowl does not touch the water. Whisk egg yolks and sugar over the double boiler until thick, pale, and creamy. It will take about 7-8 minutes. Remove the bowl.
- Stir in vanilla and salt, then let the mixture cool completely.
- Beat mascarpone until smooth. Add cold heavy cream and remaining sugar, then whip until soft peaks form. Gently fold in the cooled egg mixture until fully combined and airy.
- Heat heavy cream and pour over chopped chocolate. Stir until smooth to create a glossy ganache. Let it cool slightly.
- Dissolve instant coffee in hot water and mix with milk to create the coffee soak.
- Now assemble in a 10'' x 9'' rectangular dish. You can use any dish you like.
- Dip each biscuit into the coffee mixture and arrange in a single layer. Spread a layer of mascarpone cream evenly over the top. Add another layer of coffee soaked biscuits, then mascarpone cream.
- Add another layer of coffee soaked biscuits.Pour the ganache over the top layer and smooth evenly. Refrigerate for at least 8 hours or overnight before slicing and serving. Dust with cocoa powder before serving.
If you like Tiramisu recipes like these, you should definitely check out my:
1) Classic Italian Tiramisu
2) Hot Chocolate Tiramisu
